118407440 has 20 divisors (see below), whose sum is σ = 275297484. Its totient is φ = 47362944.

The previous prime is 118407439. The next prime is 118407517. The reversal of 118407440 is 44704811.

It can be written as a sum of positive squares in 2 ways, for example, as 60403984 + 58003456 = 7772^2 + 7616^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 739967 + ... + 740126.

Almost surely, 2^118407440 is an apocalyptic number.

118407440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118407440 is an abundant number, since it is smaller than the sum of its proper divisors (156890044).

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

118407440 is a wasteful number, since it uses less digits than its factorization.

118407440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480106 (or 1480100 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 118407440 is about 10881.5182764171. The cubic root of 118407440 is about 491.0506955673.

The spelling of 118407440 in words is "one hundred eighteen million, four hundred seven thousand, four hundred forty".