44531016687 has 12 divisors (see below), whose sum is σ = 65377048984. Its totient is φ = 29200666320.

The previous prime is 44531016653. The next prime is 44531016701. The reversal of 44531016687 is 78661013544.

44531016687 is a `hidden beast` number, since 44 + 531 + 0 + 16 + 68 + 7 = 666.

It is not a de Polignac number, because 44531016687 - 2²⁰ = 44529968111 is a prime.

It is a super-2 number, since 2×44531016687² (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 (44531014687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40555933 + ... + 40557030.

Almost surely, 2^44531016687 is an apocalyptic number.

44531016687 is a deficient number, since it is larger than the sum of its proper divisors (20846032297).

44531016687 is a wasteful number, since it uses less digits than its factorization.

44531016687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81113030 (or 81113027 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 44531016687 in words is "forty-four billion, five hundred thirty-one million, sixteen thousand, six hundred eighty-seven".