438057120225505 has 64 divisors (see below), whose sum is σ = 607549561694208. Its totient is φ = 300073964636160.

The previous prime is 438057120225493. The next prime is 438057120225583. The reversal of 438057120225505 is 505522021750834.

It is not a de Polignac number, because 438057120225505 - 2³³ = 438048530290913 is a prime.

It is a Duffinian 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, 224221414 + ... + 226166656.

It is an arithmetic number, because the mean of its divisors is an integer number (9492961901472).

Almost surely, 2^{438057120225505} is an apocalyptic number.

It is an amenable number.

438057120225505 is a deficient number, since it is larger than the sum of its proper divisors (169492441468703).

438057120225505 is a wasteful number, since it uses less digits than its factorization.

438057120225505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948006.

The product of its (nonzero) digits is 3360000, while the sum is 49.

The spelling of 438057120225505 in words is "four hundred thirty-eight trillion, fifty-seven billion, one hundred twenty million, two hundred twenty-five thousand, five hundred five".