2540134252202 has 8 divisors (see below), whose sum is σ = 3810223301412. Its totient is φ = 1270059818400.

The previous prime is 2540134252199. The next prime is 2540134252213. The reversal of 2540134252202 is 2022524310452.

It can be written as a sum of positive squares in 2 ways, for example, as 1916809791121 + 623324461081 = 1384489^2 + 789509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3208499 + ... + 3921062.

Almost surely, 2^{2540134252202} is an apocalyptic number.

2540134252202 is a deficient number, since it is larger than the sum of its proper divisors (1270089049210).

2540134252202 is a wasteful number, since it uses less digits than its factorization.

2540134252202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307704.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 2540134252202 its reverse (2022524310452), we get a palindrome (4562658562654).

The spelling of 2540134252202 in words is "two trillion, five hundred forty billion, one hundred thirty-four million, two hundred fifty-two thousand, two hundred two".