44242131015 has 64 divisors (see below), whose sum is σ = 83420928000. Its totient is φ = 22170051072.

The previous prime is 44242131007. The next prime is 44242131029. The reversal of 44242131015 is 51013124244.

44242131015 is a `hidden beast` number, since 4 + 424 + 213 + 10 + 15 = 666.

It is not a de Polignac number, because 44242131015 - 2³ = 44242131007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 44242131015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1358614 + ... + 1390796.

It is an arithmetic number, because the mean of its divisors is an integer number (1303452000).

Almost surely, 2^44242131015 is an apocalyptic number.

44242131015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

44242131015 is a deficient number, since it is larger than the sum of its proper divisors (39178796985).

44242131015 is a wasteful number, since it uses less digits than its factorization.

44242131015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32813 (or 32807 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 44242131015 its reverse (51013124244), we get a palindrome (95255255259).

The spelling of 44242131015 in words is "forty-four billion, two hundred forty-two million, one hundred thirty-one thousand, fifteen".