44566538016 has 864 divisors, whose sum is σ = 170103084480. Its totient is φ = 10090967040.

The previous prime is 44566537979. The next prime is 44566538021. The reversal of 44566538016 is 61083566544.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 140588290 + ... + 140588606.

It is an arithmetic number, because the mean of its divisors is an integer number (196878570).

Almost surely, 2^44566538016 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 44566538016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85051542240).

44566538016 is an abundant number, since it is smaller than the sum of its proper divisors (125536546464).

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

44566538016 is a wasteful number, since it uses less digits than its factorization.

44566538016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 44566538016 in words is "forty-four billion, five hundred sixty-six million, five hundred thirty-eight thousand, sixteen".