744449283816 has 32 divisors (see below), whose sum is σ = 2126997954240. Its totient is φ = 212699795328.

The previous prime is 744449283791. The next prime is 744449283817. The reversal of 744449283816 is 618382944447.

It is a self number, because there is not a number n which added to its sum of digits gives 744449283816.

It is not an unprimeable number, because it can be changed into a prime (744449283817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2215622701 + ... + 2215623036.

It is an arithmetic number, because the mean of its divisors is an integer number (66468686070).

Almost surely, 2^744449283816 is an apocalyptic number.

It is an amenable number.

744449283816 is an abundant number, since it is smaller than the sum of its proper divisors (1382548670424).

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

744449283816 is a wasteful number, since it uses less digits than its factorization.

744449283816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431245753 (or 4431245749 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 60.

The spelling of 744449283816 in words is "seven hundred forty-four billion, four hundred forty-nine million, two hundred eighty-three thousand, eight hundred sixteen".