44971988356 has 9 divisors (see below), whose sum is σ = 78701721861. Its totient is φ = 22485782112.

The previous prime is 44971988339. The next prime is 44971988357. The reversal of 44971988356 is 65388917944.

The square root of 44971988356 is 212066.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4174452100 + 40797536256 = 64610^2 + 201984^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44971988357) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 371116 + ... + 477148.

Almost surely, 2^44971988356 is an apocalyptic number.

44971988356 is the 212066-th square number.

It is an amenable number.

44971988356 is a deficient number, since it is larger than the sum of its proper divisors (33729733505).

44971988356 is an frugal number, since it uses more digits than its factorization.

44971988356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212070 (or 106035 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 64.

Multiplying 44971988356 by its sum of digits (64), we get a square (2878207254784 = 1696528²).

The spelling of 44971988356 in words is "forty-four billion, nine hundred seventy-one million, nine hundred eighty-eight thousand, three hundred fifty-six".