401926831852 has 48 divisors (see below), whose sum is σ = 865740834112. Its totient is φ = 158994420480.

The previous prime is 401926831841. The next prime is 401926831897. The reversal of 401926831852 is 258138629104.

It is a junction number, because it is equal to n+sod(n) for n = 401926831796 and 401926831805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11142598 + ... + 11178610.

Almost surely, 2^401926831852 is an apocalyptic number.

It is an amenable number.

401926831852 is an abundant number, since it is smaller than the sum of its proper divisors (463814002260).

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

401926831852 is a wasteful number, since it uses less digits than its factorization.

401926831852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66698 (or 66696 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 401926831852 in words is "four hundred one billion, nine hundred twenty-six million, eight hundred thirty-one thousand, eight hundred fifty-two".