40968428156556 has 24 divisors (see below), whose sum is σ = 95649329662320. Its totient is φ = 13648095485952.

The previous prime is 40968428156503. The next prime is 40968428156563. The reversal of 40968428156556 is 65565182486904.

It is a super-2 number, since 2×40968428156556² (a number of 28 digits) contains 22 as substring.

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, 1005882901 + ... + 1005923628.

It is an arithmetic number, because the mean of its divisors is an integer number (3985388735930).

Almost surely, 2^{40968428156556} is an apocalyptic number.

It is an amenable number.

40968428156556 is an abundant number, since it is smaller than the sum of its proper divisors (54680901505764).

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

40968428156556 is a wasteful number, since it uses less digits than its factorization.

40968428156556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011808233 (or 2011808231 counting only the distinct ones).

The product of its (nonzero) digits is 497664000, while the sum is 69.

The spelling of 40968428156556 in words is "forty trillion, nine hundred sixty-eight billion, four hundred twenty-eight million, one hundred fifty-six thousand, five hundred fifty-six".