2542542684 has 48 divisors (see below), whose sum is σ = 6812561280. Its totient is φ = 729915840.

The previous prime is 2542542683. The next prime is 2542542689. The reversal of 2542542684 is 4862452452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542542683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504379 + ... + 509394.

It is an arithmetic number, because the mean of its divisors is an integer number (141928360).

Almost surely, 2^2542542684 is an apocalyptic number.

It is an amenable number.

2542542684 is an abundant number, since it is smaller than the sum of its proper divisors (4270018596).

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

2542542684 is a wasteful number, since it uses less digits than its factorization.

2542542684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013810 (or 1013808 counting only the distinct ones).

The product of its digits is 614400, while the sum is 42.

The square root of 2542542684 is about 50423.6321976115. The cubic root of 2542542684 is about 1364.8641215092.

The spelling of 2542542684 in words is "two billion, five hundred forty-two million, five hundred forty-two thousand, six hundred eighty-four".