40556404121310 has 128 divisors (see below), whose sum is σ = 134836876108800. Its totient is φ = 8427304748160.

The previous prime is 40556404121227. The next prime is 40556404121323. The reversal of 40556404121310 is 1312140465504.

40556404121310 is a `hidden beast` number, since 4 + 0 + 5 + 5 + 640 + 4 + 1 + 2 + 1 + 3 + 1 + 0 = 666.

It is a super-2 number, since 2×40556404121310² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 975361705 + ... + 975403284.

It is an arithmetic number, because the mean of its divisors is an integer number (1053413094600).

Almost surely, 2^{40556404121310} is an apocalyptic number.

40556404121310 is an abundant number, since it is smaller than the sum of its proper divisors (94280471987490).

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

40556404121310 is a wasteful number, since it uses less digits than its factorization.

40556404121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950765023 (or 1950765017 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 40556404121310 its reverse (1312140465504), we get a palindrome (41868544586814).

The spelling of 40556404121310 in words is "forty trillion, five hundred fifty-six billion, four hundred four million, one hundred twenty-one thousand, three hundred ten".