44497538198 has 8 divisors (see below), whose sum is σ = 68899414080. Its totient is φ = 21531066840.

The previous prime is 44497538191. The next prime is 44497538219. The reversal of 44497538198 is 89183579444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (62), and also a Moran number because the ratio is a prime number: 717702229 = 44497538198 / (4 + 4 + 4 + 9 + 7 + 5 + 3 + 8 + 1 + 9 + 8).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44497538198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44497538191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358851053 + ... + 358851176.

It is an arithmetic number, because the mean of its divisors is an integer number (8612426760).

Almost surely, 2^44497538198 is an apocalyptic number.

44497538198 is a deficient number, since it is larger than the sum of its proper divisors (24401875882).

44497538198 is a wasteful number, since it uses less digits than its factorization.

44497538198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717702262.

The product of its digits is 34836480, while the sum is 62.

The spelling of 44497538198 in words is "forty-four billion, four hundred ninety-seven million, five hundred thirty-eight thousand, one hundred ninety-eight".