118457415640 has 16 divisors (see below), whose sum is σ = 266529185280. Its totient is φ = 47382966240.

The previous prime is 118457415631. The next prime is 118457415647. The reversal of 118457415640 is 46514754811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118457415647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480717656 + ... + 1480717735.

It is an arithmetic number, because the mean of its divisors is an integer number (16658074080).

Almost surely, 2^118457415640 is an apocalyptic number.

118457415640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118457415640 is an abundant number, since it is smaller than the sum of its proper divisors (148071769640).

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

118457415640 is a wasteful number, since it uses less digits than its factorization.

118457415640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961435402 (or 2961435398 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 118457415640 in words is "one hundred eighteen billion, four hundred fifty-seven million, four hundred fifteen thousand, six hundred forty".