44398138694 has 32 divisors (see below), whose sum is σ = 81994671360. Its totient is φ = 17557911072.

The previous prime is 44398138693. The next prime is 44398138783. The reversal of 44398138694 is 49683189344.

44398138694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44398138693) 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, 493397 + ... + 576399.

It is an arithmetic number, because the mean of its divisors is an integer number (2562333480).

Almost surely, 2^44398138694 is an apocalyptic number.

44398138694 is a deficient number, since it is larger than the sum of its proper divisors (37596532666).

44398138694 is a wasteful number, since it uses less digits than its factorization.

44398138694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85964.

The product of its digits is 17915904, while the sum is 59.

The spelling of 44398138694 in words is "forty-four billion, three hundred ninety-eight million, one hundred thirty-eight thousand, six hundred ninety-four".