117546440 has 64 divisors (see below), whose sum is σ = 289647360. Its totient is φ = 42577920.

The previous prime is 117546437. The next prime is 117546461. The reversal of 117546440 is 44645711.

It is a junction number, because it is equal to n+sod(n) for n = 117546397 and 117546406.

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, 203432 + ... + 204008.

It is an arithmetic number, because the mean of its divisors is an integer number (4525740).

Almost surely, 2^117546440 is an apocalyptic number.

117546440 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 117546440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144823680).

117546440 is an abundant number, since it is smaller than the sum of its proper divisors (172100920).

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

117546440 is a wasteful number, since it uses less digits than its factorization.

117546440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 117546440 is about 10841.8836001868. The cubic root of 117546440 is about 489.8575734881.

The spelling of 117546440 in words is "one hundred seventeen million, five hundred forty-six thousand, four hundred forty".