118900400 has 30 divisors (see below), whose sum is σ = 285659172. Its totient is φ = 47560000.

The previous prime is 118900393. The next prime is 118900417. The reversal of 118900400 is 4009811.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148226 + ... + 149025.

Almost surely, 2^118900400 is an apocalyptic number.

118900400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118900400 is an abundant number, since it is smaller than the sum of its proper divisors (166758772).

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

118900400 is a wasteful number, since it uses less digits than its factorization.

118900400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297269 (or 297258 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 118900400 is about 10904.1460004899. The cubic root of 118900400 is about 491.7312079721.

The spelling of 118900400 in words is "one hundred eighteen million, nine hundred thousand, four hundred".