44065372638464 has 36 divisors (see below), whose sum is σ = 90103947007620. Its totient is φ = 21495303720960.

The previous prime is 44065372638461. The next prime is 44065372638499. The reversal of 44065372638464 is 46483627356044.

It can be written as a sum of positive squares in 2 ways, for example, as 1202268390400 + 42863104248064 = 1096480^2 + 6546992^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44065372638397 and 44065372638406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44065372638461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099140259 + ... + 2099161250.

Almost surely, 2^{44065372638464} is an apocalyptic number.

It is an amenable number.

44065372638464 is an abundant number, since it is smaller than the sum of its proper divisors (46038574369156).

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

44065372638464 is an equidigital number, since it uses as much as digits as its factorization.

44065372638464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198301566 (or 4198301552 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 62.

The spelling of 44065372638464 in words is "forty-four trillion, sixty-five billion, three hundred seventy-two million, six hundred thirty-eight thousand, four hundred sixty-four".