401338990107 has 80 divisors (see below), whose sum is σ = 682946364672. Its totient is φ = 232497967680.

The previous prime is 401338990057. The next prime is 401338990237. The reversal of 401338990107 is 701099833104.

It is not a de Polignac number, because 401338990107 - 2⁶ = 401338990043 is a prime.

It is a super-2 number, since 2×401338990107² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401338970107) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 33336093 + ... + 33348129.

Almost surely, 2^401338990107 is an apocalyptic number.

401338990107 is a deficient number, since it is larger than the sum of its proper divisors (281607374565).

401338990107 is a wasteful number, since it uses less digits than its factorization.

401338990107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13710 (or 13701 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 401338990107 in words is "four hundred one billion, three hundred thirty-eight million, nine hundred ninety thousand, one hundred seven".