44909981728431 has 8 divisors (see below), whose sum is σ = 59880094825344. Its totient is φ = 29939928225240.

The previous prime is 44909981728387. The next prime is 44909981728501. The reversal of 44909981728431 is 13482718990944.

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

It is not a de Polignac number, because 44909981728431 - 2¹⁴ = 44909981712047 is a prime.

It is a super-2 number, since 2×44909981728431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44909981727431) 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, 13109331 + ... + 16176356.

It is an arithmetic number, because the mean of its divisors is an integer number (7485011853168).

Almost surely, 2^{44909981728431} is an apocalyptic number.

44909981728431 is a deficient number, since it is larger than the sum of its proper divisors (14970113096913).

44909981728431 is a wasteful number, since it uses less digits than its factorization.

44909981728431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29796861.

The product of its (nonzero) digits is 125411328, while the sum is 69.

The spelling of 44909981728431 in words is "forty-four trillion, nine hundred nine billion, nine hundred eighty-one million, seven hundred twenty-eight thousand, four hundred thirty-one".