2040450000000 has 576 divisors, whose sum is σ = 6916871458560. Its totient is φ = 532800000000.

The previous prime is 2040449999977. The next prime is 2040450000019. The reversal of 2040450000000 is 540402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9149999889 + ... + 9150000111.

Almost surely, 2^{2040450000000} is an apocalyptic number.

2040450000000 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 2040450000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3458435729280).

2040450000000 is an abundant number, since it is smaller than the sum of its proper divisors (4876421458560).

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

2040450000000 is an frugal number, since it uses more digits than its factorization.

2040450000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

Adding to 2040450000000 its reverse (540402), we get a palindrome (2040450540402).

The spelling of 2040450000000 in words is "two trillion, forty billion, four hundred fifty million", and thus it is an aban number.