45512499200 has 336 divisors, whose sum is σ = 131640681600. Its totient is φ = 15284305920.

The previous prime is 45512499187. The next prime is 45512499203. The reversal of 45512499200 is 299421554.

It is not an unprimeable number, because it can be changed into a prime (45512499203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75980501 + ... + 75981099.

Almost surely, 2^45512499200 is an apocalyptic number.

45512499200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45512499200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65820340800).

45512499200 is an abundant number, since it is smaller than the sum of its proper divisors (86128182400).

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

45512499200 is an equidigital number, since it uses as much as digits as its factorization.

45512499200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 45512499200 in words is "forty-five billion, five hundred twelve million, four hundred ninety-nine thousand, two hundred".