44000439994 has 16 divisors (see below), whose sum is σ = 75461630400. Its totient is φ = 18849255264.

The previous prime is 44000439991. The next prime is 44000440013. The reversal of 44000439994 is 49993400044.

It is not an unprimeable number, because it can be changed into a prime (44000439991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639099 + ... + 704590.

It is an arithmetic number, because the mean of its divisors is an integer number (4716351900).

Almost surely, 2^44000439994 is an apocalyptic number.

44000439994 is a deficient number, since it is larger than the sum of its proper divisors (31461190406).

44000439994 is a wasteful number, since it uses less digits than its factorization.

44000439994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346037.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 44000439994 in words is "forty-four billion, four hundred thirty-nine thousand, nine hundred ninety-four".