401472864826 has 32 divisors (see below), whose sum is σ = 657722197440. Its totient is φ = 182274883200.

The previous prime is 401472864787. The next prime is 401472864829. The reversal of 401472864826 is 628468274104.

It is a super-2 number, since 2×401472864826² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401472864829) 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, 113376616 + ... + 113380156.

It is an arithmetic number, because the mean of its divisors is an integer number (20553818670).

Almost surely, 2^401472864826 is an apocalyptic number.

401472864826 is a deficient number, since it is larger than the sum of its proper divisors (256249332614).

401472864826 is a wasteful number, since it uses less digits than its factorization.

401472864826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110.

The product of its (nonzero) digits is 4128768, while the sum is 52.

The spelling of 401472864826 in words is "four hundred one billion, four hundred seventy-two million, eight hundred sixty-four thousand, eight hundred twenty-six".