118400562 has 96 divisors (see below), whose sum is σ = 316828800. Its totient is φ = 32641056.

The previous prime is 118400561. The next prime is 118400593. The reversal of 118400562 is 265004811.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (118400561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75963 + ... + 77505.

It is an arithmetic number, because the mean of its divisors is an integer number (3300300).

Almost surely, 2^118400562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118400562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158414400).

118400562 is an abundant number, since it is smaller than the sum of its proper divisors (198428238).

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

118400562 is a wasteful number, since it uses less digits than its factorization.

118400562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 118400562 is about 10881.2022313713. The cubic root of 118400562 is about 491.0411874033.

The spelling of 118400562 in words is "one hundred eighteen million, four hundred thousand, five hundred sixty-two".