44855279813 has 8 divisors (see below), whose sum is σ = 45050986200. Its totient is φ = 44659653120.

The previous prime is 44855279767. The next prime is 44855279837. The reversal of 44855279813 is 31897255844.

It can be written as a sum of positive squares in 4 ways, for example, as 8028518404 + 36826761409 = 89602^2 + 191903^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44855279813 is a prime.

It is a super-2 number, since 2×44855279813² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44855276813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296131 + ... + 1330287.

It is an arithmetic number, because the mean of its divisors is an integer number (5631373275).

Almost surely, 2^44855279813 is an apocalyptic number.

It is an amenable number.

44855279813 is a deficient number, since it is larger than the sum of its proper divisors (195706387).

44855279813 is a wasteful number, since it uses less digits than its factorization.

44855279813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39847.

The product of its digits is 9676800, while the sum is 56.

The spelling of 44855279813 in words is "forty-four billion, eight hundred fifty-five million, two hundred seventy-nine thousand, eight hundred thirteen".