118273680 has 240 divisors, whose sum is σ = 469208064. Its totient is φ = 26127360.

The previous prime is 118273663. The next prime is 118273697. The reversal of 118273680 is 86372811.

It is an interprime number because it is at equal distance from previous prime (118273663) and next prime (118273697).

It is a tau number, because it is divible by the number of its divisors (240).

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 47 ways as a sum of consecutive naturals, for example, 155862 + ... + 156618.

Almost surely, 2^118273680 is an apocalyptic number.

118273680 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 118273680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234604032).

118273680 is an abundant number, since it is smaller than the sum of its proper divisors (350934384).

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

118273680 is a wasteful number, since it uses less digits than its factorization.

118273680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 805 counting only the distinct ones).

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

The square root of 118273680 is about 10875.3703385218. The cubic root of 118273680 is about 490.8657193258.

The spelling of 118273680 in words is "one hundred eighteen million, two hundred seventy-three thousand, six hundred eighty".