401508488 has 16 divisors (see below), whose sum is σ = 764065680. Its totient is φ = 197757648.

The previous prime is 401508487. The next prime is 401508491. The reversal of 401508488 is 884805104.

It is a super-2 number, since 2×401508488² = 322418131872092288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401508487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374006 + ... + 375077.

It is an arithmetic number, because the mean of its divisors is an integer number (47754105).

Almost surely, 2^401508488 is an apocalyptic number.

It is an amenable number.

401508488 is a deficient number, since it is larger than the sum of its proper divisors (362557192).

401508488 is a wasteful number, since it uses less digits than its factorization.

401508488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749156 (or 749152 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 401508488 is about 20037.6767116350. The cubic root of 401508488 is about 737.7313573867.

The spelling of 401508488 in words is "four hundred one million, five hundred eight thousand, four hundred eighty-eight".