44002131 has 16 divisors (see below), whose sum is σ = 59688960. Its totient is φ = 28828800.

The previous prime is 44002129. The next prime is 44002159. The reversal of 44002131 is 13120044.

It is not a de Polignac number, because 44002131 - 2¹ = 44002129 is a prime.

It is a super-2 number, since 2×44002131² = 3872375065082322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44002131.

It is not an unprimeable number, because it can be changed into a prime (44002181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94806 + ... + 95268.

It is an arithmetic number, because the mean of its divisors is an integer number (3730560).

Almost surely, 2^44002131 is an apocalyptic number.

44002131 is a deficient number, since it is larger than the sum of its proper divisors (15686829).

44002131 is a wasteful number, since it uses less digits than its factorization.

44002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 44002131 is about 6633.4102089348. The cubic root of 44002131 is about 353.0405328136.

Adding to 44002131 its reverse (13120044), we get a palindrome (57122175).

The spelling of 44002131 in words is "forty-four million, two thousand, one hundred thirty-one".