117233840 has 20 divisors (see below), whose sum is σ = 272568864. Its totient is φ = 46893504.

The previous prime is 117233803. The next prime is 117233849. The reversal of 117233840 is 48332711.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×117233840² = 27487546482291200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117233849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732632 + ... + 732791.

Almost surely, 2^117233840 is an apocalyptic number.

117233840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117233840 is an abundant number, since it is smaller than the sum of its proper divisors (155335024).

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

117233840 is a wasteful number, since it uses less digits than its factorization.

117233840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465436 (or 1465430 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 117233840 is about 10827.4576886728. The cubic root of 117233840 is about 489.4229497449.

The spelling of 117233840 in words is "one hundred seventeen million, two hundred thirty-three thousand, eight hundred forty".