117273277440 has 1584 divisors, whose sum is σ = 499460794560. Its totient is φ = 26276659200.

The previous prime is 117273277417. The next prime is 117273277453. The reversal of 117273277440 is 44772372711.

117273277440 is a `hidden beast` number, since 1 + 1 + 72 + 73 + 2 + 77 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (1584).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2860323820 + ... + 2860323860.

Almost surely, 2^117273277440 is an apocalyptic number.

117273277440 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 117273277440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249730397280).

117273277440 is an abundant number, since it is smaller than the sum of its proper divisors (382187517120).

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

117273277440 is a wasteful number, since it uses less digits than its factorization.

117273277440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 45.

The spelling of 117273277440 in words is "one hundred seventeen billion, two hundred seventy-three million, two hundred seventy-seven thousand, four hundred forty".