2818025440 has 24 divisors (see below), whose sum is σ = 6657585480. Its totient is φ = 1127210112.

The previous prime is 2818025411. The next prime is 2818025447. The reversal of 2818025440 is 445208182.

It is a junction number, because it is equal to n+sod(n) for n = 2818025396 and 2818025405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2818025447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8806170 + ... + 8806489.

It is an arithmetic number, because the mean of its divisors is an integer number (277399395).

Almost surely, 2^2818025440 is an apocalyptic number.

2818025440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2818025440 is an abundant number, since it is smaller than the sum of its proper divisors (3839560040).

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

2818025440 is a wasteful number, since it uses less digits than its factorization.

2818025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17612674 (or 17612666 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 2818025440 is about 53085.0773758502. The cubic root of 2818025440 is about 1412.4778187448.

The spelling of 2818025440 in words is "two billion, eight hundred eighteen million, twenty-five thousand, four hundred forty".