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10040323232440 = 235310181809231
BaseRepresentation
bin1001001000011011000111…
…1001100101001010111000
31022112211211101111200212201
42102012301321211022320
52304000040221414230
633204243311515544
72054250366225604
oct222066171451270
938484741450781
1010040323232440
113221093794406
121161a6bb28bb4
1357aa4c181387
14269d505da504
15126289ec75ca
hex921b1e652b8

10040323232440 has 32 divisors (see below), whose sum is σ = 22590828020160. Its totient is φ = 4016111382400.

The previous prime is 10040323232389. The next prime is 10040323232509. The reversal of 10040323232440 is 4423232304001.

It is a super-2 number, since 2×100403232324402 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10040323232399 and 10040323232408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12002625 + ... + 12811855.

It is an arithmetic number, because the mean of its divisors is an integer number (705963375630).

Almost surely, 210040323232440 is an apocalyptic number.

10040323232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10040323232440 is an abundant number, since it is smaller than the sum of its proper divisors (12550504787720).

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

10040323232440 is a wasteful number, since it uses less digits than its factorization.

10040323232440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119423 (or 1119419 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 10040323232440 its reverse (4423232304001), we get a palindrome (14463555536441).

The spelling of 10040323232440 in words is "ten trillion, forty billion, three hundred twenty-three million, two hundred thirty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 310181 620362 809231 1240724 1550905 1618462 2481448 3101810 3236924 4046155 6203620 6473848 8092310 12407240 16184620 32369240 251008080811 502016161622 1004032323244 1255040404055 2008064646488 2510080808110 5020161616220 10040323232440