401516377625 has 16 divisors (see below), whose sum is σ = 546646299264. Its totient is φ = 292011910000.

The previous prime is 401516377601. The next prime is 401516377637. The reversal of 401516377625 is 526773615104.

It is not a de Polignac number, because 401516377625 - 2³² = 397221410329 is a prime.

It is a super-2 number, since 2×401516377625² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401516377625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146004581 + ... + 146007330.

It is an arithmetic number, because the mean of its divisors is an integer number (34165393704).

Almost surely, 2^401516377625 is an apocalyptic number.

It is an amenable number.

401516377625 is a deficient number, since it is larger than the sum of its proper divisors (145129921639).

401516377625 is a wasteful number, since it uses less digits than its factorization.

401516377625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292011937 (or 292011927 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 401516377625 in words is "four hundred one billion, five hundred sixteen million, three hundred seventy-seven thousand, six hundred twenty-five".