118415628 has 48 divisors (see below), whose sum is σ = 310912000. Its totient is φ = 38969424.

The previous prime is 118415623. The next prime is 118415639. The reversal of 118415628 is 826514811.

118415628 is a `hidden beast` number, since 1 + 18 + 4 + 15 + 628 = 666.

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 = 118415592 and 118415601.

It is not an unprimeable number, because it can be changed into a prime (118415623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1593 + ... + 15471.

Almost surely, 2^118415628 is an apocalyptic number.

118415628 is a gapful number since it is divisible by the number (18) 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 118415628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155456000).

118415628 is an abundant number, since it is smaller than the sum of its proper divisors (192496372).

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

118415628 is a wasteful number, since it uses less digits than its factorization.

118415628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13971 (or 13963 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 118415628 is about 10881.8945041753. The cubic root of 118415628 is about 491.0620141985.

The spelling of 118415628 in words is "one hundred eighteen million, four hundred fifteen thousand, six hundred twenty-eight".