44642869100820 has 36 divisors (see below), whose sum is σ = 135416702939700. Its totient is φ = 11904765093504.

The previous prime is 44642869100777. The next prime is 44642869100857. The reversal of 44642869100820 is 2800196824644.

It is a happy number.

44642869100820 is a `hidden beast` number, since 446 + 42 + 86 + 9 + 1 + 0 + 0 + 82 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8983483584516 + 35659385516304 = 2997246^2 + 5971548^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124007969545 + ... + 124007969904.

Almost surely, 2^{44642869100820} is an apocalyptic number.

It is an amenable number.

44642869100820 is an abundant number, since it is smaller than the sum of its proper divisors (90773833838880).

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

44642869100820 is a wasteful number, since it uses less digits than its factorization.

44642869100820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248015939464 (or 248015939459 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 44642869100820 in words is "forty-four trillion, six hundred forty-two billion, eight hundred sixty-nine million, one hundred thousand, eight hundred twenty".