1044551001000 has 128 divisors (see below), whose sum is σ = 3509691494400. Its totient is φ = 257120236800.

The previous prime is 1044551000981. The next prime is 1044551001031. The reversal of 1044551001000 is 1001554401.

1044551001000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13352680 + ... + 13430679.

It is an arithmetic number, because the mean of its divisors is an integer number (27419464800).

Almost surely, 2^{1044551001000} is an apocalyptic number.

1044551001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044551001000 is an abundant number, since it is smaller than the sum of its proper divisors (2465140493400).

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

1044551001000 is a wasteful number, since it uses less digits than its factorization.

1044551001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26783396 (or 26783382 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 1044551001000 its reverse (1001554401), we get a palindrome (1045552555401).

The spelling of 1044551001000 in words is "one trillion, forty-four billion, five hundred fifty-one million, one thousand".