44662636816 has 30 divisors (see below), whose sum is σ = 100661837550. Its totient is φ = 19141129728.

The previous prime is 44662636787. The next prime is 44662636817. The reversal of 44662636816 is 61863626644.

It can be written as a sum of positive squares in only one way, i.e., 38339206416 + 6323430400 = 195804^2 + 79520^2 .

It is a super-2 number, since 2×44662636816² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44662636817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28483041 + ... + 28484608.

It is an arithmetic number, because the mean of its divisors is an integer number (3355394585).

Almost surely, 2^44662636816 is an apocalyptic number.

It is an amenable number.

44662636816 is an abundant number, since it is smaller than the sum of its proper divisors (55999200734).

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

44662636816 is a wasteful number, since it uses less digits than its factorization.

44662636816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56967671 (or 56967658 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 52.

The spelling of 44662636816 in words is "forty-four billion, six hundred sixty-two million, six hundred thirty-six thousand, eight hundred sixteen".