2040545280 has 360 divisors, whose sum is σ = 7190914752. Its totient is φ = 493092864.

The previous prime is 2040545239. The next prime is 2040545317. The reversal of 2040545280 is 825450402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88719349 + ... + 88719371.

Almost surely, 2^2040545280 is an apocalyptic number.

2040545280 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 2040545280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3595457376).

2040545280 is an abundant number, since it is smaller than the sum of its proper divisors (5150369472).

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

2040545280 is an equidigital number, since it uses as much as digits as its factorization.

2040545280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 2040545280 is about 45172.3951102883. The cubic root of 2040545280 is about 1268.3781309477.

Adding to 2040545280 its reverse (825450402), we get a palindrome (2865995682).

The spelling of 2040545280 in words is "two billion, forty million, five hundred forty-five thousand, two hundred eighty".