44123042398 has 4 divisors (see below), whose sum is σ = 66184563600. Its totient is φ = 22061521198.

The previous prime is 44123042329. The next prime is 44123042399. The reversal of 44123042398 is 89324032144.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 44123042398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44123042399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11030760598 + ... + 11030760601.

It is an arithmetic number, because the mean of its divisors is an integer number (16546140900).

Almost surely, 2^44123042398 is an apocalyptic number.

44123042398 is a deficient number, since it is larger than the sum of its proper divisors (22061521202).

44123042398 is a wasteful number, since it uses less digits than its factorization.

44123042398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22061521201.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 44123042398 in words is "forty-four billion, one hundred twenty-three million, forty-two thousand, three hundred ninety-eight".