401925316416 has 112 divisors (see below), whose sum is σ = 1155736982400. Its totient is φ = 122534664192.

The previous prime is 401925316369. The next prime is 401925316447. The reversal of 401925316416 is 614613529104.

It is a happy number.

It is a super-2 number, since 2×401925316416² (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, 466596 + ... + 1010723.

It is an arithmetic number, because the mean of its divisors is an integer number (10319080200).

Almost surely, 2^401925316416 is an apocalyptic number.

It is an amenable number.

401925316416 is an abundant number, since it is smaller than the sum of its proper divisors (753811665984).

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

401925316416 is a wasteful number, since it uses less digits than its factorization.

401925316416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477456 (or 1477446 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 401925316416 in words is "four hundred one billion, nine hundred twenty-five million, three hundred sixteen thousand, four hundred sixteen".