44641665552 has 40 divisors (see below), whose sum is σ = 125808331680. Its totient is φ = 13527777280.

The previous prime is 44641665511. The next prime is 44641665553. The reversal of 44641665552 is 25556614644.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (44641665553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42273777 + ... + 42274832.

It is an arithmetic number, because the mean of its divisors is an integer number (3145208292).

Almost surely, 2^44641665552 is an apocalyptic number.

It is an amenable number.

44641665552 is an abundant number, since it is smaller than the sum of its proper divisors (81166666128).

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

44641665552 is a wasteful number, since it uses less digits than its factorization.

44641665552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84548631 (or 84548625 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 48.

The spelling of 44641665552 in words is "forty-four billion, six hundred forty-one million, six hundred sixty-five thousand, five hundred fifty-two".