2542405364564 has 48 divisors (see below), whose sum is σ = 4848801773760. Its totient is φ = 1159454096640.

The previous prime is 2542405364561. The next prime is 2542405364621. The reversal of 2542405364564 is 4654635042452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542405364561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691592 + ... + 2358624.

It is an arithmetic number, because the mean of its divisors is an integer number (101016703620).

Almost surely, 2^{2542405364564} is an apocalyptic number.

It is an amenable number.

2542405364564 is a deficient number, since it is larger than the sum of its proper divisors (2306396409196).

2542405364564 is a wasteful number, since it uses less digits than its factorization.

2542405364564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667400 (or 1667398 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 50.

The spelling of 2542405364564 in words is "two trillion, five hundred forty-two billion, four hundred five million, three hundred sixty-four thousand, five hundred sixty-four".