118021236444 has 36 divisors (see below), whose sum is σ = 298345372416. Its totient is φ = 39338577408.

The previous prime is 118021236427. The next prime is 118021236451. The reversal of 118021236444 is 444632120811.

118021236444 is a `hidden beast` number, since 1 + 1 + 8 + 0 + 2 + 1 + 2 + 3 + 644 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 118021236399 and 118021236408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 864997 + ... + 992099.

It is an arithmetic number, because the mean of its divisors is an integer number (8287371456).

Almost surely, 2^118021236444 is an apocalyptic number.

It is an amenable number.

118021236444 is an abundant number, since it is smaller than the sum of its proper divisors (180324135972).

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

118021236444 is a wasteful number, since it uses less digits than its factorization.

118021236444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152906 (or 152901 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 118021236444 in words is "one hundred eighteen billion, twenty-one million, two hundred thirty-six thousand, four hundred forty-four".