2708257240 has 64 divisors (see below), whose sum is σ = 6570668160. Its totient is φ = 998699520.

The previous prime is 2708257219. The next prime is 2708257259. The reversal of 2708257240 is 427528072.

2708257240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2708257240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470862 + ... + 476578.

It is an arithmetic number, because the mean of its divisors is an integer number (102666690).

Almost surely, 2^2708257240 is an apocalyptic number.

2708257240 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 2708257240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3285334080).

2708257240 is an abundant number, since it is smaller than the sum of its proper divisors (3862410920).

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

2708257240 is a wasteful number, since it uses less digits than its factorization.

2708257240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652 (or 6648 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 2708257240 is about 52040.9189004191. The cubic root of 2708257240 is about 1393.8947133617.

The spelling of 2708257240 in words is "two billion, seven hundred eight million, two hundred fifty-seven thousand, two hundred forty".