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2140401031040 = 2756653502687
BaseRepresentation
bin11111001001011001110…
…101111101011110000000
321120121202020011012212202
4133021121311331132000
5240032020130443130
64315141530212332
7310432063402046
oct37113165753600
97517666135782
102140401031040
11755814644538
122a69a7b840a8
13126aba23902c
147584b470396
153aa24018145
hex1f259d7d780

2140401031040 has 64 divisors (see below), whose sum is σ = 5117675506560. Its totient is φ = 856030021632.

The previous prime is 2140401030869. The next prime is 2140401031079. The reversal of 2140401031040 is 401301040412.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4006577 + ... + 4509263.

It is an arithmetic number, because the mean of its divisors is an integer number (79963679790).

Almost surely, 22140401031040 is an apocalyptic number.

2140401031040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140401031040 is an abundant number, since it is smaller than the sum of its proper divisors (2977274475520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2140401031040 is an equidigital number, since it uses as much as digits as its factorization.

2140401031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509359 (or 509347 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2140401031040 its reverse (401301040412), we get a palindrome (2541702071452).

The spelling of 2140401031040 in words is "two trillion, one hundred forty billion, four hundred one million, thirty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 6653 13306 26612 33265 53224 66530 106448 133060 212896 266120 425792 502687 532240 851584 1005374 1064480 2010748 2128960 2513435 4021496 4257920 5026870 8042992 10053740 16085984 20107480 32171968 40214960 64343936 80429920 160859840 321719680 3344376611 6688753222 13377506444 16721883055 26755012888 33443766110 53510025776 66887532220 107020051552 133775064440 214040103104 267550128880 428080206208 535100257760 1070200515520 2140401031040