44554445493 has 8 divisors (see below), whose sum is σ = 59406948000. Its totient is φ = 29702453328.

The previous prime is 44554445477. The next prime is 44554445531. The reversal of 44554445493 is 39454445544.

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

It is not a de Polignac number, because 44554445493 - 2⁴ = 44554445477 is a prime.

It is a super-2 number, since 2×44554445493² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44554045493) 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, 186783 + ... + 352131.

It is an arithmetic number, because the mean of its divisors is an integer number (7425868500).

Almost surely, 2^44554445493 is an apocalyptic number.

It is an amenable number.

44554445493 is a deficient number, since it is larger than the sum of its proper divisors (14852502507).

44554445493 is a wasteful number, since it uses less digits than its factorization.

44554445493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255171.

The product of its digits is 13824000, while the sum is 51.

Adding to 44554445493 its sum of digits (51), we get a palindrome (44554445544).

The spelling of 44554445493 in words is "forty-four billion, five hundred fifty-four million, four hundred forty-five thousand, four hundred ninety-three".