2657402500 has 45 divisors (see below), whose sum is σ = 5816849731. Its totient is φ = 1061930000.

The previous prime is 2657402479. The next prime is 2657402519. The reversal of 2657402500 is 52047562.

The square root of 2657402500 is 51550.

It is a perfect power (a square), and thus also a powerful number.

2657402500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 208340356 + 2449062144 = 14434^2 + 49488^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2576985 + ... + 2578015.

Almost surely, 2^2657402500 is an apocalyptic number.

2657402500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2657402500 is the 51550-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2657402500

2657402500 is an abundant number, since it is smaller than the sum of its proper divisors (3159447231).

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

2657402500 is an frugal number, since it uses more digits than its factorization.

2657402500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The cubic root of 2657402500 is about 1385.1148318904.

The spelling of 2657402500 in words is "two billion, six hundred fifty-seven million, four hundred two thousand, five hundred".