401313633 has 16 divisors (see below), whose sum is σ = 612264960. Its totient is φ = 229044816.

The previous prime is 401313599. The next prime is 401313643. The reversal of 401313633 is 336313104.

It is not a de Polignac number, because 401313633 - 2⁸ = 401313377 is a prime.

It is a super-2 number, since 2×401313633² = 322105264063317378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401313643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6916 + ... + 29162.

It is an arithmetic number, because the mean of its divisors is an integer number (38266560).

Almost surely, 2^401313633 is an apocalyptic number.

It is an amenable number.

401313633 is a deficient number, since it is larger than the sum of its proper divisors (210951327).

401313633 is a wasteful number, since it uses less digits than its factorization.

401313633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23116.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 401313633 is about 20032.8139061890. The cubic root of 401313633 is about 737.6119959380.

Adding to 401313633 its reverse (336313104), we get a palindrome (737626737).

The spelling of 401313633 in words is "four hundred one million, three hundred thirteen thousand, six hundred thirty-three".