2542187264 has 18 divisors (see below), whose sum is σ = 5074444620. Its totient is φ = 1271093504.

The previous prime is 2542187257. The next prime is 2542187269. The reversal of 2542187264 is 4627812452.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2542187269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4964954 + ... + 4965465.

It is an arithmetic number, because the mean of its divisors is an integer number (281913590).

Almost surely, 2^2542187264 is an apocalyptic number.

It is an amenable number.

2542187264 is a deficient number, since it is larger than the sum of its proper divisors (2532257356).

2542187264 is an frugal number, since it uses more digits than its factorization.

2542187264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9930435 (or 9930421 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 2542187264 is about 50420.1077349107. The cubic root of 2542187264 is about 1364.8005207923.

The spelling of 2542187264 in words is "two billion, five hundred forty-two million, one hundred eighty-seven thousand, two hundred sixty-four".