118437863040 has 1280 divisors, whose sum is σ = 520804753920. Its totient is φ = 25034489856.

The previous prime is 118437862997. The next prime is 118437863053. The reversal of 118437863040 is 40368734811.

118437863040 is a `hidden beast` number, since 1 + 1 + 8 + 4 + 3 + 7 + 8 + 630 + 4 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 450333949 + ... + 450334211.

It is an arithmetic number, because the mean of its divisors is an integer number (406878714).

Almost surely, 2^118437863040 is an apocalyptic number.

118437863040 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 118437863040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260402376960).

118437863040 is an abundant number, since it is smaller than the sum of its proper divisors (402366890880).

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

118437863040 is a wasteful number, since it uses less digits than its factorization.

118437863040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 118437863040 in words is "one hundred eighteen billion, four hundred thirty-seven million, eight hundred sixty-three thousand, forty".