401490908 has 36 divisors (see below), whose sum is σ = 880197192. Its totient is φ = 158830560.

The previous prime is 401490899. The next prime is 401490911. The reversal of 401490908 is 809094104.

It is a super-2 number, since 2×401490908² = 322389898413328928, 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 11 ways as a sum of consecutive naturals, for example, 76238 + ... + 81333.

It is an arithmetic number, because the mean of its divisors is an integer number (24449922).

Almost surely, 2^401490908 is an apocalyptic number.

It is an amenable number.

401490908 is an abundant number, since it is smaller than the sum of its proper divisors (478706284).

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

401490908 is a wasteful number, since it uses less digits than its factorization.

401490908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157602 (or 157593 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 401490908 is about 20037.2380332220. The cubic root of 401490908 is about 737.7205900705.

The spelling of 401490908 in words is "four hundred one million, four hundred ninety thousand, nine hundred eight".