401498688 has 28 divisors (see below), whose sum is σ = 1062299120. Its totient is φ = 133832832.

The previous prime is 401498677. The next prime is 401498743. The reversal of 401498688 is 886894104.

It is a super-2 number, since 2×401498688² = 322402392931442688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045378 + ... + 1045761.

Almost surely, 2^401498688 is an apocalyptic number.

401498688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

401498688 is an abundant number, since it is smaller than the sum of its proper divisors (660800432).

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

401498688 is a wasteful number, since it uses less digits than its factorization.

401498688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091154 (or 2091144 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 401498688 is about 20037.4321708147. The cubic root of 401498688 is about 737.7253551673.

The spelling of 401498688 in words is "four hundred one million, four hundred ninety-eight thousand, six hundred eighty-eight".