44187893485 has 24 divisors (see below), whose sum is σ = 55020247776. Its totient is φ = 34067167680.

The previous prime is 44187893479. The next prime is 44187893513. The reversal of 44187893485 is 58439878144.

It is not a de Polignac number, because 44187893485 - 2¹³ = 44187885293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2290530 + ... + 2309740.

It is an arithmetic number, because the mean of its divisors is an integer number (2292510324).

Almost surely, 2^44187893485 is an apocalyptic number.

It is an amenable number.

44187893485 is a deficient number, since it is larger than the sum of its proper divisors (10832354291).

44187893485 is a wasteful number, since it uses less digits than its factorization.

44187893485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19821 (or 19792 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 61.

The spelling of 44187893485 in words is "forty-four billion, one hundred eighty-seven million, eight hundred ninety-three thousand, four hundred eighty-five".