401264044 has 6 divisors (see below), whose sum is σ = 702212084. Its totient is φ = 200632020.

The previous prime is 401264033. The next prime is 401264047. The reversal of 401264044 is 440462104.

It is a super-2 number, since 2×401264044² = 322025666014467872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401264047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50158002 + ... + 50158009.

Almost surely, 2^401264044 is an apocalyptic number.

It is an amenable number.

401264044 is a deficient number, since it is larger than the sum of its proper divisors (300948040).

401264044 is a wasteful number, since it uses less digits than its factorization.

401264044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100316015 (or 100316013 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 401264044 is about 20031.5761736315. The cubic root of 401264044 is about 737.5816132606.

The spelling of 401264044 in words is "four hundred one million, two hundred sixty-four thousand, forty-four".