44371986494640 has 640 divisors, whose sum is σ = 161648157855744. Its totient is φ = 9857384448000.

The previous prime is 44371986494527. The next prime is 44371986494651. The reversal of 44371986494640 is 4649468917344.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32602487560 + ... + 32602488920.

Almost surely, 2^{44371986494640} is an apocalyptic number.

44371986494640 is a gapful number since it is divisible by the number (40) 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 44371986494640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80824078927872).

44371986494640 is an abundant number, since it is smaller than the sum of its proper divisors (117276171361104).

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

44371986494640 is a wasteful number, since it uses less digits than its factorization.

44371986494640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 69.

The spelling of 44371986494640 in words is "forty-four trillion, three hundred seventy-one billion, nine hundred eighty-six million, four hundred ninety-four thousand, six hundred forty".