2540357822500 has 135 divisors (see below), whose sum is σ = 5621738082807. Its totient is φ = 1004125500000.

The previous prime is 2540357822489. The next prime is 2540357822533. The reversal of 2540357822500 is 52287530452.

The square root of 2540357822500 is 1593850.

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

It can be written as a sum of positive squares in 2 ways, for example, as 199164053284 + 2341193769216 = 446278^2 + 1530096^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 10120947375 + ... + 10120947625.

Almost surely, 2^{2540357822500} is an apocalyptic number.

2540357822500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2540357822500 is the 1593850-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2540357822500

2540357822500 is an abundant number, since it is smaller than the sum of its proper divisors (3081380260307).

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

2540357822500 is an frugal number, since it uses more digits than its factorization.

2540357822500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 2540357822500 in words is "two trillion, five hundred forty billion, three hundred fifty-seven million, eight hundred twenty-two thousand, five hundred".