401320888892 has 48 divisors (see below), whose sum is σ = 880146177792. Its totient is φ = 155548615680.

The previous prime is 401320888867. The next prime is 401320888933. The reversal of 401320888892 is 298888023104.

It is a super-2 number, since 2×401320888892² (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 15 ways as a sum of consecutive naturals, for example, 3316178 + ... + 3435065.

It is an arithmetic number, because the mean of its divisors is an integer number (18336378704).

Almost surely, 2^401320888892 is an apocalyptic number.

It is an amenable number.

401320888892 is an abundant number, since it is smaller than the sum of its proper divisors (478825288900).

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

401320888892 is a wasteful number, since it uses less digits than its factorization.

401320888892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751458 (or 6751456 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The spelling of 401320888892 in words is "four hundred one billion, three hundred twenty million, eight hundred eighty-eight thousand, eight hundred ninety-two".