45512204020000 has 60 divisors (see below), whose sum is σ = 111966848769006. Its totient is φ = 18204881600000.

The previous prime is 45512204019977. The next prime is 45512204020027. The reversal of 45512204020000 is 2040221554.

It can be written as a sum of positive squares in 5 ways, for example, as 684412053264 + 44827791966736 = 827292^2 + 6695356^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1137785101 + ... + 1137825100.

Almost surely, 2^{45512204020000} is an apocalyptic number.

45512204020000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45512204020000 is an abundant number, since it is smaller than the sum of its proper divisors (66454644749006).

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

45512204020000 is an equidigital number, since it uses as much as digits as its factorization.

45512204020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275610231 (or 2275610208 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 45512204020000 its reverse (2040221554), we get a palindrome (45514244241554).

The spelling of 45512204020000 in words is "forty-five trillion, five hundred twelve billion, two hundred four million, twenty thousand".