2045253905000 has 80 divisors (see below), whose sum is σ = 4797592778880. Its totient is φ = 817151864000.

The previous prime is 2045253904997. The next prime is 2045253905027. The reversal of 2045253905000 is 5093525402.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4078007 + ... + 4551993.

It is an arithmetic number, because the mean of its divisors is an integer number (59969909736).

Almost surely, 2^{2045253905000} is an apocalyptic number.

2045253905000 is a gapful number since it is divisible by the number (20) 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 2045253905000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2398796389440).

2045253905000 is an abundant number, since it is smaller than the sum of its proper divisors (2752338873880).

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

2045253905000 is an equidigital number, since it uses as much as digits as its factorization.

2045253905000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474876 (or 474857 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 2045253905000 in words is "two trillion, forty-five billion, two hundred fifty-three million, nine hundred five thousand".