118236780 has 96 divisors (see below), whose sum is σ = 369492480. Its totient is φ = 31389120.

The previous prime is 118236763. The next prime is 118236823. The reversal of 118236780 is 87632811.

It is a super-2 number, since 2×118236780² = 27959872289536800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187065 + ... + 187695.

It is an arithmetic number, because the mean of its divisors is an integer number (3848880).

Almost surely, 2^118236780 is an apocalyptic number.

118236780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118236780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184746240).

118236780 is an abundant number, since it is smaller than the sum of its proper divisors (251255700).

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

118236780 is a wasteful number, since it uses less digits than its factorization.

118236780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 118236780 is about 10873.6737122281. The cubic root of 118236780 is about 490.8146659016.

The spelling of 118236780 in words is "one hundred eighteen million, two hundred thirty-six thousand, seven hundred eighty".