401863392 has 72 divisors (see below), whose sum is σ = 1306062576. Its totient is φ = 114817536.

The previous prime is 401863361. The next prime is 401863453. The reversal of 401863392 is 293368104.

401863392 is a `hidden beast` number, since 4 + 0 + 18 + 633 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×401863392² = 322988371659491328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97653 + ... + 101684.

It is an arithmetic number, because the mean of its divisors is an integer number (18139758).

Almost surely, 2^401863392 is an apocalyptic number.

401863392 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

401863392 is an abundant number, since it is smaller than the sum of its proper divisors (904199184).

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

401863392 is a wasteful number, since it uses less digits than its factorization.

401863392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199360 (or 199349 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 401863392 is about 20046.5306724131. The cubic root of 401863392 is about 737.9486601428.

The spelling of 401863392 in words is "four hundred one million, eight hundred sixty-three thousand, three hundred ninety-two".