118940580 has 216 divisors, whose sum is σ = 408984576. Its totient is φ = 27941760.

The previous prime is 118940561. The next prime is 118940581. The reversal of 118940580 is 85049811.

118940580 = T₄₄₅ + T₄₄₆ + ... + T₉₂₈.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (118940581) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 936477 + ... + 936603.

Almost surely, 2^118940580 is an apocalyptic number.

118940580 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 118940580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204492288).

118940580 is an abundant number, since it is smaller than the sum of its proper divisors (290043996).

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

118940580 is a wasteful number, since it uses less digits than its factorization.

118940580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 118940580 is about 10905.9882633350. The cubic root of 118940580 is about 491.7865919595.

The spelling of 118940580 in words is "one hundred eighteen million, nine hundred forty thousand, five hundred eighty".