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2440530023420 = 225809199375683
BaseRepresentation
bin100011100000111010111…
…011001101001111111100
322122022102201210201220102
4203200322323031033330
5304441201141222140
65105055232140232
7341215415630456
oct43407273151774
98568381721812
102440530023420
11861028634705
12334ba8697678
131491aa9bc898
148619d78d2d6
154373cba6e15
hex2383aecd3fc

2440530023420 has 48 divisors (see below), whose sum is σ = 5134090741920. Its totient is φ = 974503228416.

The previous prime is 2440530023401. The next prime is 2440530023497. The reversal of 2440530023420 is 243200350442.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32208899 + ... + 32284581.

It is an arithmetic number, because the mean of its divisors is an integer number (106960223790).

Almost surely, 22440530023420 is an apocalyptic number.

2440530023420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440530023420 is an abundant number, since it is smaller than the sum of its proper divisors (2693560718500).

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

2440530023420 is a wasteful number, since it uses less digits than its factorization.

2440530023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78494 (or 78492 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 2440530023420 its reverse (243200350442), we get a palindrome (2683730373862).

The spelling of 2440530023420 in words is "two trillion, four hundred forty billion, five hundred thirty million, twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 809 1618 1993 3236 3986 4045 7972 8090 9965 16180 19930 39860 75683 151366 302732 378415 756830 1513660 1612337 3224674 6449348 8061685 16123370 32246740 61227547 122455094 150836219 244910188 301672438 306137735 603344876 612275470 754181095 1224550940 1508362190 3016724380 122026501171 244053002342 488106004684 610132505855 1220265011710 2440530023420