44640204644 has 24 divisors (see below), whose sum is σ = 89307986880. Its totient is φ = 19125606816.

The previous prime is 44640204643. The next prime is 44640204673.

44640204644 is nontrivially palindromic in base 10.

44640204644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 44640204598 and 44640204607.

It is not an unprimeable number, because it can be changed into a prime (44640204643) 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, 153347 + ... + 335850.

It is an arithmetic number, because the mean of its divisors is an integer number (3721166120).

Almost surely, 2^44640204644 is an apocalyptic number.

It is an amenable number.

44640204644 is an abundant number, since it is smaller than the sum of its proper divisors (44667782236).

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

44640204644 is a wasteful number, since it uses less digits than its factorization.

44640204644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492467 (or 492465 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 44640204644 in words is "forty-four billion, six hundred forty million, two hundred four thousand, six hundred forty-four".