118154768440 has 128 divisors (see below), whose sum is σ = 284197896000. Its totient is φ = 44123885568.

The previous prime is 118154768419. The next prime is 118154768491. The reversal of 118154768440 is 44867451811.

It is a super-2 number, since 2×118154768440² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6987516 + ... + 7004404.

Almost surely, 2^118154768440 is an apocalyptic number.

118154768440 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 118154768440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142098948000).

118154768440 is an abundant number, since it is smaller than the sum of its proper divisors (166043127560).

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

118154768440 is a wasteful number, since it uses less digits than its factorization.

118154768440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17129 (or 17125 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 118154768440 in words is "one hundred eighteen billion, one hundred fifty-four million, seven hundred sixty-eight thousand, four hundred forty".