401000276568 has 32 divisors (see below), whose sum is σ = 1012426446960. Its totient is φ = 132343324800.

The previous prime is 401000276533. The next prime is 401000276597. The reversal of 401000276568 is 865672000104.

It is a super-2 number, since 2×401000276568² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82712155 + ... + 82717002.

Almost surely, 2^401000276568 is an apocalyptic number.

It is an amenable number.

401000276568 is an abundant number, since it is smaller than the sum of its proper divisors (611426170392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401000276568 is a wasteful number, since it uses less digits than its factorization.

401000276568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165429267 (or 165429263 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 401000276568 in words is "four hundred one billion, two hundred seventy-six thousand, five hundred sixty-eight".