44212644137 has 8 divisors (see below), whose sum is σ = 46320037632. Its totient is φ = 42147824400.

The previous prime is 44212644131. The next prime is 44212644139. The reversal of 44212644137 is 73144621244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44212644137 - 2³⁴ = 27032774953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44212644137.

It is not an unprimeable number, because it can be changed into a prime (44212644131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10641314 + ... + 10645467.

It is an arithmetic number, because the mean of its divisors is an integer number (5790004704).

Almost surely, 2^44212644137 is an apocalyptic number.

It is an amenable number.

44212644137 is a deficient number, since it is larger than the sum of its proper divisors (2107393495).

44212644137 is a wasteful number, since it uses less digits than its factorization.

44212644137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21286879.

The product of its digits is 129024, while the sum is 38.

The spelling of 44212644137 in words is "forty-four billion, two hundred twelve million, six hundred forty-four thousand, one hundred thirty-seven".