44737894656 has 864 divisors, whose sum is σ = 167373839360. Its totient is φ = 11179524096.

The previous prime is 44737894633. The next prime is 44737894681. The reversal of 44737894656 is 65649873744.

It is a happy number.

44737894656 is a `hidden beast` number, since 4 + 473 + 78 + 9 + 46 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 44737894593 and 44737894602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 566302425 + ... + 566302503.

Almost surely, 2^44737894656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44737894656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83686919680).

44737894656 is an abundant number, since it is smaller than the sum of its proper divisors (122635944704).

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

44737894656 is a wasteful number, since it uses less digits than its factorization.

44737894656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 214 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 63.

The spelling of 44737894656 in words is "forty-four billion, seven hundred thirty-seven million, eight hundred ninety-four thousand, six hundred fifty-six".