44544463893 has 64 divisors (see below), whose sum is σ = 68158137600. Its totient is φ = 29099347200.

The previous prime is 44544463829. The next prime is 44544463919. The reversal of 44544463893 is 39836444544.

44544463893 is a `hidden beast` number, since 4 + 4 + 544 + 4 + 6 + 3 + 8 + 93 = 666.

It is not a de Polignac number, because 44544463893 - 2⁶ = 44544463829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44544463823) 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 in 63 ways as a sum of consecutive naturals, for example, 50560813 + ... + 50561693.

It is an arithmetic number, because the mean of its divisors is an integer number (1064970900).

Almost surely, 2^44544463893 is an apocalyptic number.

It is an amenable number.

44544463893 is a deficient number, since it is larger than the sum of its proper divisors (23613673707).

44544463893 is an frugal number, since it uses more digits than its factorization.

44544463893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1324 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 54.

The spelling of 44544463893 in words is "forty-four billion, five hundred forty-four million, four hundred sixty-three thousand, eight hundred ninety-three".