117793297440 has 1152 divisors, whose sum is σ = 518710832640. Its totient is φ = 24726933504.

The previous prime is 117793297411. The next prime is 117793297451. The reversal of 117793297440 is 44792397711.

It is a happy number.

117793297440 is a `hidden beast` number, since 1 + 17 + 79 + 32 + 97 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 597935422 + ... + 597935618.

It is an arithmetic number, because the mean of its divisors is an integer number (450269820).

Almost surely, 2^117793297440 is an apocalyptic number.

117793297440 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 117793297440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259355416320).

117793297440 is an abundant number, since it is smaller than the sum of its proper divisors (400917535200).

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

117793297440 is an equidigital number, since it uses as much as digits as its factorization.

117793297440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 117793297440 in words is "one hundred seventeen billion, seven hundred ninety-three million, two hundred ninety-seven thousand, four hundred forty".