40021270045256 has 64 divisors (see below), whose sum is σ = 77738119113600. Its totient is φ = 19293091388928.

The previous prime is 40021270045193. The next prime is 40021270045279. The reversal of 40021270045256 is 65254007212004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482706701 + ... + 482789603.

It is an arithmetic number, because the mean of its divisors is an integer number (1214658111150).

Almost surely, 2^{40021270045256} is an apocalyptic number.

It is an amenable number.

40021270045256 is a deficient number, since it is larger than the sum of its proper divisors (37716849068344).

40021270045256 is a wasteful number, since it uses less digits than its factorization.

40021270045256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85878 (or 85874 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 40021270045256 in words is "forty trillion, twenty-one billion, two hundred seventy million, forty-five thousand, two hundred fifty-six".