2542404500136 has 48 divisors (see below), whose sum is σ = 6885831618900. Its totient is φ = 847449364992.

The previous prime is 2542404499991. The next prime is 2542404500161. The reversal of 2542404500136 is 6310054042452.

2542404500136 is a `hidden beast` number, since 2 + 54 + 24 + 0 + 450 + 0 + 136 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2240021088900 + 302383411236 = 1496670^2 + 549894^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2542404500136.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3089530 + ... + 3824918.

Almost surely, 2^{2542404500136} is an apocalyptic number.

It is an amenable number.

2542404500136 is an abundant number, since it is smaller than the sum of its proper divisors (4343427118764).

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

2542404500136 is a wasteful number, since it uses less digits than its factorization.

2542404500136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783418 (or 783411 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 2542404500136 its reverse (6310054042452), we get a palindrome (8852458542588).

The spelling of 2542404500136 in words is "two trillion, five hundred forty-two billion, four hundred four million, five hundred thousand, one hundred thirty-six".