44045487 has 24 divisors (see below), whose sum is σ = 67616640. Its totient is φ = 27532800.

The previous prime is 44045473. The next prime is 44045497. The reversal of 44045487 is 78454044.

It is not a de Polignac number, because 44045487 - 2⁴ = 44045471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44045467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72987 + ... + 73587.

It is an arithmetic number, because the mean of its divisors is an integer number (2817360).

Almost surely, 2^44045487 is an apocalyptic number.

44045487 is a deficient number, since it is larger than the sum of its proper divisors (23571153).

44045487 is a wasteful number, since it uses less digits than its factorization.

44045487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 44045487 is about 6636.6774066546. The cubic root of 44045487 is about 353.1564469032.

The spelling of 44045487 in words is "forty-four million, forty-five thousand, four hundred eighty-seven".