118640541400 has 24 divisors (see below), whose sum is σ = 275839259220. Its totient is φ = 47456216480.

The previous prime is 118640541373. The next prime is 118640541401. The reversal of 118640541400 is 4145046811.

It is a happy number.

It is a super-2 number, since 2×118640541400² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118640541401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 296601154 + ... + 296601553.

Almost surely, 2^118640541400 is an apocalyptic number.

118640541400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118640541400 is an abundant number, since it is smaller than the sum of its proper divisors (157198717820).

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

118640541400 is a wasteful number, since it uses less digits than its factorization.

118640541400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593202723 (or 593202714 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 118640541400 in words is "one hundred eighteen billion, six hundred forty million, five hundred forty-one thousand, four hundred".