44440040438 has 16 divisors (see below), whose sum is σ = 68498566224. Its totient is φ = 21607832160.

The previous prime is 44440040417. The next prime is 44440040441. The reversal of 44440040438 is 83404004444.

It is a junction number, because it is equal to n+sod(n) for n = 44440040398 and 44440040407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22673 + ... + 298988.

It is an arithmetic number, because the mean of its divisors is an integer number (4281160389).

Almost surely, 2^44440040438 is an apocalyptic number.

44440040438 is a deficient number, since it is larger than the sum of its proper divisors (24058525786).

44440040438 is a wasteful number, since it uses less digits than its factorization.

44440040438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323567.

The product of its (nonzero) digits is 98304, while the sum is 35.

The spelling of 44440040438 in words is "forty-four billion, four hundred forty million, forty thousand, four hundred thirty-eight".