118360640 has 28 divisors (see below), whose sum is σ = 281847036. Its totient is φ = 47344128.

The previous prime is 118360631. The next prime is 118360663. The reversal of 118360640 is 46063811.

It can be written as a sum of positive squares in 2 ways, for example, as 57395776 + 60964864 = 7576^2 + 7808^2 .

It is a super-2 number, since 2×118360640² = 28018482202419200, which contains 22 as substring.

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, 184619 + ... + 185258.

Almost surely, 2^118360640 is an apocalyptic number.

118360640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118360640 is an abundant number, since it is smaller than the sum of its proper divisors (163486396).

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

118360640 is an equidigital number, since it uses as much as digits as its factorization.

118360640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369894 (or 369884 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 118360640 is about 10879.3676286814. The cubic root of 118360640 is about 490.9859918602.

The spelling of 118360640 in words is "one hundred eighteen million, three hundred sixty thousand, six hundred forty".