401135912 has 8 divisors (see below), whose sum is σ = 752129850. Its totient is φ = 200567952.

The previous prime is 401135899. The next prime is 401135947. The reversal of 401135912 is 219531104.

It can be written as a sum of positive squares in only one way, i.e., 330003556 + 71132356 = 18166^2 + 8434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25070987 + ... + 25071002.

Almost surely, 2^401135912 is an apocalyptic number.

It is an amenable number.

401135912 is a deficient number, since it is larger than the sum of its proper divisors (350993938).

401135912 is a wasteful number, since it uses less digits than its factorization.

401135912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50141995 (or 50141991 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 401135912 is about 20028.3776676994. The cubic root of 401135912 is about 737.5030964918.

The spelling of 401135912 in words is "four hundred one million, one hundred thirty-five thousand, nine hundred twelve".