44187937980 has 48 divisors (see below), whose sum is σ = 123797585184. Its totient is φ = 11776654080.

The previous prime is 44187937957. The next prime is 44187938009. The reversal of 44187937980 is 8973978144.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 15 ways as a sum of consecutive naturals, for example, 107047 + ... + 315966.

It is an arithmetic number, because the mean of its divisors is an integer number (2579116358).

Almost surely, 2^44187937980 is an apocalyptic number.

It is an amenable number.

44187937980 is an abundant number, since it is smaller than the sum of its proper divisors (79609647204).

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

44187937980 is a wasteful number, since it uses less digits than its factorization.

44187937980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424766 (or 424764 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 44187937980 in words is "forty-four billion, one hundred eighty-seven million, nine hundred thirty-seven thousand, nine hundred eighty".