117618444400 has 120 divisors (see below), whose sum is σ = 284525192000. Its totient is φ = 46724428800.

The previous prime is 117618444347. The next prime is 117618444409. The reversal of 117618444400 is 4444816711.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117618444409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37830046 + ... + 37833154.

Almost surely, 2^117618444400 is an apocalyptic number.

117618444400 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 117618444400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142262596000).

117618444400 is an abundant number, since it is smaller than the sum of its proper divisors (166906747600).

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

117618444400 is a wasteful number, since it uses less digits than its factorization.

117618444400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 117618444400 in words is "one hundred seventeen billion, six hundred eighteen million, four hundred forty-four thousand, four hundred".