401539368 has 32 divisors (see below), whose sum is σ = 1020866400. Its totient is φ = 131577408.

The previous prime is 401539343. The next prime is 401539379. The reversal of 401539368 is 863935104.

It is a super-2 number, since 2×401539368² = 322467728107678848, which contains 22 as substring.

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, 140371 + ... + 143202.

It is an arithmetic number, because the mean of its divisors is an integer number (31902075).

Almost surely, 2^401539368 is an apocalyptic number.

It is an amenable number.

401539368 is an abundant number, since it is smaller than the sum of its proper divisors (619327032).

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

401539368 is a wasteful number, since it uses less digits than its factorization.

401539368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283641 (or 283637 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 401539368 is about 20038.4472452333. The cubic root of 401539368 is about 737.7502698638.

The spelling of 401539368 in words is "four hundred one million, five hundred thirty-nine thousand, three hundred sixty-eight".