401296264999 has 24 divisors (see below), whose sum is σ = 487628042720. Its totient is φ = 323443155456.

The previous prime is 401296264949. The next prime is 401296265011. The reversal of 401296264999 is 999462692104.

It is not a de Polignac number, because 401296264999 - 2³³ = 392706330407 is a prime.

It is a super-2 number, since 2×401296264999² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401296264949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2170897 + ... + 2348485.

Almost surely, 2^401296264999 is an apocalyptic number.

401296264999 is a deficient number, since it is larger than the sum of its proper divisors (86331777721).

401296264999 is a wasteful number, since it uses less digits than its factorization.

401296264999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178747 (or 178730 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 61.

The spelling of 401296264999 in words is "four hundred one billion, two hundred ninety-six million, two hundred sixty-four thousand, nine hundred ninety-nine".