118646420 has 48 divisors (see below), whose sum is σ = 267055488. Its totient is φ = 44161920.

The previous prime is 118646419. The next prime is 118646441. The reversal of 118646420 is 24646811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13535 + ... + 20505.

It is an arithmetic number, because the mean of its divisors is an integer number (5563656).

Almost surely, 2^118646420 is an apocalyptic number.

118646420 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 118646420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133527744).

118646420 is an abundant number, since it is smaller than the sum of its proper divisors (148409068).

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

118646420 is a wasteful number, since it uses less digits than its factorization.

118646420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040 (or 7038 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 118646420 is about 10892.4937456948. The cubic root of 118646420 is about 491.3808337021.

The spelling of 118646420 in words is "one hundred eighteen million, six hundred forty-six thousand, four hundred twenty".