401499360 has 72 divisors (see below), whose sum is σ = 1370121480. Its totient is φ = 107066112.

The previous prime is 401499323. The next prime is 401499379. The reversal of 401499360 is 63994104.

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

It is a super-2 number, since 2×401499360² = 322403472160819200, 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, 137970 + ... + 140849.

It is an arithmetic number, because the mean of its divisors is an integer number (19029465).

Almost surely, 2^401499360 is an apocalyptic number.

401499360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401499360 is an abundant number, since it is smaller than the sum of its proper divisors (968622120).

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

401499360 is a wasteful number, since it uses less digits than its factorization.

401499360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278840 (or 278829 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 401499360 is about 20037.4489394234. The cubic root of 401499360 is about 737.7257667512.

The spelling of 401499360 in words is "four hundred one million, four hundred ninety-nine thousand, three hundred sixty".