45444320432 has 20 divisors (see below), whose sum is σ = 100626709776. Its totient is φ = 19476137280.

The previous prime is 45444320431. The next prime is 45444320447. The reversal of 45444320432 is 23402344454.

It is a junction number, because it is equal to n+sod(n) for n = 45444320392 and 45444320401.

It is not an unprimeable number, because it can be changed into a prime (45444320431) 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, 202876319 + ... + 202876542.

Almost surely, 2^45444320432 is an apocalyptic number.

It is an amenable number.

45444320432 is an abundant number, since it is smaller than the sum of its proper divisors (55182389344).

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

45444320432 is a wasteful number, since it uses less digits than its factorization.

45444320432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405752876 (or 405752870 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 45444320432 its reverse (23402344454), we get a palindrome (68846664886).

The spelling of 45444320432 in words is "forty-five billion, four hundred forty-four million, three hundred twenty thousand, four hundred thirty-two".