44654645644 has 48 divisors (see below), whose sum is σ = 89560171008. Its totient is φ = 19084036608.

The previous prime is 44654645597. The next prime is 44654645677.

44654645644 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 44654645591 and 44654645600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24175929 + ... + 24177775.

It is an arithmetic number, because the mean of its divisors is an integer number (1865836896).

Almost surely, 2^44654645644 is an apocalyptic number.

It is an amenable number.

44654645644 is an abundant number, since it is smaller than the sum of its proper divisors (44905525364).

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

44654645644 is a wasteful number, since it uses less digits than its factorization.

44654645644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814 (or 3812 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 52.

The spelling of 44654645644 in words is "forty-four billion, six hundred fifty-four million, six hundred forty-five thousand, six hundred forty-four".