1044513005200 has 120 divisors (see below), whose sum is σ = 2868328343808. Its totient is φ = 358069539840.

The previous prime is 1044513005197. The next prime is 1044513005201. The reversal of 1044513005200 is 25003154401.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1044513005201) 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, 24571164 + ... + 24613636.

Almost surely, 2^{1044513005200} is an apocalyptic number.

1044513005200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044513005200 is an abundant number, since it is smaller than the sum of its proper divisors (1823815338608).

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

1044513005200 is a wasteful number, since it uses less digits than its factorization.

1044513005200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51281 (or 51270 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1044513005200 its reverse (25003154401), we get a palindrome (1069516159601).

The spelling of 1044513005200 in words is "one trillion, forty-four billion, five hundred thirteen million, five thousand, two hundred".