45520032012 has 48 divisors (see below), whose sum is σ = 130724197632. Its totient is φ = 12005282880.

The previous prime is 45520032011. The next prime is 45520032049. The reversal of 45520032012 is 21023002554.

It is not an unprimeable number, because it can be changed into a prime (45520032011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20841414 + ... + 20843597.

It is an arithmetic number, because the mean of its divisors is an integer number (2723420784).

Almost surely, 2^45520032012 is an apocalyptic number.

45520032012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45520032012 is an abundant number, since it is smaller than the sum of its proper divisors (85204165620).

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

45520032012 is a wasteful number, since it uses less digits than its factorization.

45520032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41685038 (or 41685036 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 45520032012 its reverse (21023002554), we get a palindrome (66543034566).

The spelling of 45520032012 in words is "forty-five billion, five hundred twenty million, thirty-two thousand, twelve".