2542799636 has 24 divisors (see below), whose sum is σ = 4793827584. Its totient is φ = 1173201120.

The previous prime is 2542799587. The next prime is 2542799653. The reversal of 2542799636 is 6369972452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192401 + ... + 205191.

It is an arithmetic number, because the mean of its divisors is an integer number (199742816).

Almost surely, 2^2542799636 is an apocalyptic number.

2542799636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2542799636 is a deficient number, since it is larger than the sum of its proper divisors (2251027948).

2542799636 is a wasteful number, since it uses less digits than its factorization.

2542799636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16631 (or 16629 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 53.

The square root of 2542799636 is about 50426.1800655176. The cubic root of 2542799636 is about 1364.9100981548.

The spelling of 2542799636 in words is "two billion, five hundred forty-two million, seven hundred ninety-nine thousand, six hundred thirty-six".