117456940 has 24 divisors (see below), whose sum is σ = 249106032. Its totient is φ = 46516800.

The previous prime is 117456919. The next prime is 117456943. The reversal of 117456940 is 49654711.

It is a super-2 number, since 2×117456940² = 27592265508327200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117456940.

It is not an unprimeable number, because it can be changed into a prime (117456943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27054 + ... + 31093.

It is an arithmetic number, because the mean of its divisors is an integer number (10379418).

Almost surely, 2^117456940 is an apocalyptic number.

117456940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117456940 is an abundant number, since it is smaller than the sum of its proper divisors (131649092).

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

117456940 is a wasteful number, since it uses less digits than its factorization.

117456940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58257 (or 58255 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 117456940 is about 10837.7553026445. The cubic root of 117456940 is about 489.7332158733.

The spelling of 117456940 in words is "one hundred seventeen million, four hundred fifty-six thousand, nine hundred forty".