117655040 has 40 divisors (see below), whose sum is σ = 282102480. Its totient is φ = 47060992.

The previous prime is 117654997. The next prime is 117655081. The reversal of 117655040 is 40556711.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 117654994 and 117655012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20420 + ... + 25539.

It is an arithmetic number, because the mean of its divisors is an integer number (7052562).

Almost surely, 2^117655040 is an apocalyptic number.

117655040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117655040 is an abundant number, since it is smaller than the sum of its proper divisors (164447440).

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

117655040 is an frugal number, since it uses more digits than its factorization.

117655040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45982 (or 45966 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 117655040 is about 10846.8907987497. The cubic root of 117655040 is about 490.0083852515.

The spelling of 117655040 in words is "one hundred seventeen million, six hundred fifty-five thousand, forty".