401318368 has 48 divisors (see below), whose sum is σ = 867210624. Its totient is φ = 181298560.

The previous prime is 401318321. The next prime is 401318381. The reversal of 401318368 is 863813104.

It is a super-2 number, since 2×401318368² = 322112864988366848, which 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 7 ways as a sum of consecutive naturals, for example, 55371 + ... + 62197.

It is an arithmetic number, because the mean of its divisors is an integer number (18066888).

Almost surely, 2^401318368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401318368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433605312).

401318368 is an abundant number, since it is smaller than the sum of its proper divisors (465892256).

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

401318368 is a wasteful number, since it uses less digits than its factorization.

401318368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015 (or 7007 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 401318368 is about 20032.9320869412. The cubic root of 401318368 is about 737.6148968936.

The spelling of 401318368 in words is "four hundred one million, three hundred eighteen thousand, three hundred sixty-eight".