118398240 has 96 divisors (see below), whose sum is σ = 414408960. Its totient is φ = 31571712.

The previous prime is 118398209. The next prime is 118398257. The reversal of 118398240 is 42893811.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 118398195 and 118398204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9384 + ... + 18023.

It is an arithmetic number, because the mean of its divisors is an integer number (4316760).

Almost surely, 2^118398240 is an apocalyptic number.

118398240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118398240 is an abundant number, since it is smaller than the sum of its proper divisors (296010720).

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

118398240 is a wasteful number, since it uses less digits than its factorization.

118398240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27431 (or 27417 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 118398240 is about 10881.0955330794. The cubic root of 118398240 is about 491.0379773817.

The spelling of 118398240 in words is "one hundred eighteen million, three hundred ninety-eight thousand, two hundred forty".