44199480816 has 320 divisors, whose sum is σ = 136181760000. Its totient is φ = 13685511168.

The previous prime is 44199480761. The next prime is 44199480851. The reversal of 44199480816 is 61808499144.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 113623150 + ... + 113623538.

It is an arithmetic number, because the mean of its divisors is an integer number (425568000).

Almost surely, 2^44199480816 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 44199480816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68090880000).

44199480816 is an abundant number, since it is smaller than the sum of its proper divisors (91982279184).

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

44199480816 is a wasteful number, since it uses less digits than its factorization.

44199480816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 44199480816 in words is "forty-four billion, one hundred ninety-nine million, four hundred eighty thousand, eight hundred sixteen".