45004423632 has 80 divisors (see below), whose sum is σ = 132980060160. Its totient is φ = 12847775616.

The previous prime is 45004423589. The next prime is 45004423649. The reversal of 45004423632 is 23632440054.

It is a junction number, because it is equal to n+sod(n) for n = 45004423593 and 45004423602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356169 + ... + 465687.

It is an arithmetic number, because the mean of its divisors is an integer number (1662250752).

Almost surely, 2^45004423632 is an apocalyptic number.

45004423632 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45004423632 is an abundant number, since it is smaller than the sum of its proper divisors (87975636528).

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

45004423632 is a wasteful number, since it uses less digits than its factorization.

45004423632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110760 (or 110754 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 45004423632 its reverse (23632440054), we get a palindrome (68636863686).

The spelling of 45004423632 in words is "forty-five billion, four million, four hundred twenty-three thousand, six hundred thirty-two".