44645254644 has 48 divisors (see below), whose sum is σ = 108719751168. Its totient is φ = 14232327648.

The previous prime is 44645254607. The next prime is 44645254649.

44645254644 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 44645254593 and 44645254602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44645254649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2421549 + ... + 2439915.

It is an arithmetic number, because the mean of its divisors is an integer number (2264994816).

Almost surely, 2^44645254644 is an apocalyptic number.

It is an amenable number.

44645254644 is an abundant number, since it is smaller than the sum of its proper divisors (64074496524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44645254644 is a wasteful number, since it uses less digits than its factorization.

44645254644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27204 (or 27202 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 48.

The spelling of 44645254644 in words is "forty-four billion, six hundred forty-five million, two hundred fifty-four thousand, six hundred forty-four".