117307904490 has 192 divisors, whose sum is σ = 369403856640. Its totient is φ = 25213593600.

The previous prime is 117307904489. The next prime is 117307904513. The reversal of 117307904490 is 94409703711.

117307904490 is a `hidden beast` number, since 1 + 1 + 73 + 0 + 7 + 90 + 4 + 490 = 666.

It is a super-2 number, since 2×117307904490² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13929501 + ... + 13937919.

It is an arithmetic number, because the mean of its divisors is an integer number (1923978420).

Almost surely, 2^117307904490 is an apocalyptic number.

117307904490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117307904490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184701928320).

117307904490 is an abundant number, since it is smaller than the sum of its proper divisors (252095952150).

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

117307904490 is a wasteful number, since it uses less digits than its factorization.

117307904490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757 (or 9754 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 117307904490 in words is "one hundred seventeen billion, three hundred seven million, nine hundred four thousand, four hundred ninety".