44531487 has 48 divisors (see below), whose sum is σ = 86381568. Its totient is φ = 21349440.

The previous prime is 44531477. The next prime is 44531491. The reversal of 44531487 is 78413544.

44531487 is a `hidden beast` number, since 44 + 531 + 4 + 87 = 666.

It is not a de Polignac number, because 44531487 - 2¹⁹ = 44007199 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44531447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6538 + ... + 11480.

It is an arithmetic number, because the mean of its divisors is an integer number (1799616).

Almost surely, 2^44531487 is an apocalyptic number.

44531487 is a deficient number, since it is larger than the sum of its proper divisors (41850081).

44531487 is a wasteful number, since it uses less digits than its factorization.

44531487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980 (or 4977 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 44531487 is about 6673.1916651629. The cubic root of 44531487 is about 354.4506135600.

The spelling of 44531487 in words is "forty-four million, five hundred thirty-one thousand, four hundred eighty-seven".