45044001200 has 120 divisors (see below), whose sum is σ = 119203608576. Its totient is φ = 16220448000.

The previous prime is 45044001179. The next prime is 45044001229. The reversal of 45044001200 is 210044054.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403505 + ... + 502895.

Almost surely, 2^45044001200 is an apocalyptic number.

45044001200 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 45044001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59601804288).

45044001200 is an abundant number, since it is smaller than the sum of its proper divisors (74159607376).

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

45044001200 is a wasteful number, since it uses less digits than its factorization.

45044001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99523 (or 99512 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 45044001200 its reverse (210044054), we get a palindrome (45254045254).

The spelling of 45044001200 in words is "forty-five billion, forty-four million, one thousand, two hundred".