45472269644 has 12 divisors (see below), whose sum is σ = 79591297968. Its totient is φ = 22731898800.

The previous prime is 45472269641. The next prime is 45472269659. The reversal of 45472269644 is 44696227454.

45472269644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45472269641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034792 + ... + 1077839.

It is an arithmetic number, because the mean of its divisors is an integer number (6632608164).

Almost surely, 2^45472269644 is an apocalyptic number.

It is an amenable number.

45472269644 is a deficient number, since it is larger than the sum of its proper divisors (34119028324).

45472269644 is a wasteful number, since it uses less digits than its factorization.

45472269644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118016 (or 2118014 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 53.

The spelling of 45472269644 in words is "forty-five billion, four hundred seventy-two million, two hundred sixty-nine thousand, six hundred forty-four".