401821310796 has 96 divisors (see below), whose sum is σ = 958779064320. Its totient is φ = 130949208576.

The previous prime is 401821310749. The next prime is 401821310797. The reversal of 401821310796 is 697013128104.

It is a happy number.

It is a super-2 number, since 2×401821310796² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401821310797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112144821 + ... + 112148403.

It is an arithmetic number, because the mean of its divisors is an integer number (9987281920).

Almost surely, 2^401821310796 is an apocalyptic number.

It is an amenable number.

401821310796 is an abundant number, since it is smaller than the sum of its proper divisors (556957753524).

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

401821310796 is a wasteful number, since it uses less digits than its factorization.

401821310796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4815 (or 4813 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 401821310796 in words is "four hundred one billion, eight hundred twenty-one million, three hundred ten thousand, seven hundred ninety-six".