40890385900425 has 24 divisors (see below), whose sum is σ = 68557627298880. Its totient is φ = 21501047982400.

The previous prime is 40890385900337. The next prime is 40890385900501. The reversal of 40890385900425 is 52400958309804.

It is not a de Polignac number, because 40890385900425 - 2²⁶ = 40890318791561 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 3839467530 + ... + 3839478179.

It is an arithmetic number, because the mean of its divisors is an integer number (2856567804120).

Almost surely, 2^{40890385900425} is an apocalyptic number.

It is an amenable number.

40890385900425 is a deficient number, since it is larger than the sum of its proper divisors (27667241398455).

40890385900425 is a wasteful number, since it uses less digits than its factorization.

40890385900425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678945793 (or 7678945788 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 40890385900425 in words is "forty trillion, eight hundred ninety billion, three hundred eighty-five million, nine hundred thousand, four hundred twenty-five".