401612050538504 has 16 divisors (see below), whose sum is σ = 810947409741420. Its totient is φ = 185359407940800.

The previous prime is 401612050538497. The next prime is 401612050538521. The reversal of 401612050538504 is 405835050216104.

It can be written as a sum of positive squares in 2 ways, for example, as 399104901312100 + 2507149226404 = 19977610^2 + 1583398^2 .

It is a super-2 number, since 2×401612050538504² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930827165947 + ... + 1930827166154.

Almost surely, 2^{401612050538504} is an apocalyptic number.

It is an amenable number.

401612050538504 is an abundant number, since it is smaller than the sum of its proper divisors (409335359202916).

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

401612050538504 is a wasteful number, since it uses less digits than its factorization.

401612050538504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861654332120 (or 3861654332116 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 401612050538504 in words is "four hundred one trillion, six hundred twelve billion, fifty million, five hundred thirty-eight thousand, five hundred four".