44564077990 has 16 divisors (see below), whose sum is σ = 80220244752. Its totient is φ = 17824541344.

The previous prime is 44564077981. The next prime is 44564077997. The reversal of 44564077990 is 9977046544.

44564077990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44564077997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47277 + ... + 302263.

It is an arithmetic number, because the mean of its divisors is an integer number (5013765297).

Almost surely, 2^44564077990 is an apocalyptic number.

44564077990 is a deficient number, since it is larger than the sum of its proper divisors (35656166762).

44564077990 is a wasteful number, since it uses less digits than its factorization.

44564077990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272471.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 44564077990 in words is "forty-four billion, five hundred sixty-four million, seventy-seven thousand, nine hundred ninety".