44521454512 has 80 divisors (see below), whose sum is σ = 94293964800. Its totient is φ = 20285890560.

The previous prime is 44521454489. The next prime is 44521454539. The reversal of 44521454512 is 21545412544.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559664 + ... + 1587952.

It is an arithmetic number, because the mean of its divisors is an integer number (1178674560).

Almost surely, 2^44521454512 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 44521454512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47146982400).

44521454512 is an abundant number, since it is smaller than the sum of its proper divisors (49772510288).

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

44521454512 is a wasteful number, since it uses less digits than its factorization.

44521454512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28514 (or 28508 counting only the distinct ones).

The product of its digits is 128000, while the sum is 37.

The spelling of 44521454512 in words is "forty-four billion, five hundred twenty-one million, four hundred fifty-four thousand, five hundred twelve".