44440040437 has 32 divisors (see below), whose sum is σ = 49337164800. Its totient is φ = 39774488832.

The previous prime is 44440040417. The next prime is 44440040441. The reversal of 44440040437 is 73404004444.

It is not a de Polignac number, because 44440040437 - 2¹¹ = 44440038389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440040417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53997208 + ... + 53998030.

It is an arithmetic number, because the mean of its divisors is an integer number (1541786400).

Almost surely, 2^44440040437 is an apocalyptic number.

It is an amenable number.

44440040437 is a deficient number, since it is larger than the sum of its proper divisors (4897124363).

44440040437 is a wasteful number, since it uses less digits than its factorization.

44440040437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717.

The product of its (nonzero) digits is 86016, while the sum is 34.

The spelling of 44440040437 in words is "forty-four billion, four hundred forty million, forty thousand, four hundred thirty-seven".