2542639118 has 8 divisors (see below), whose sum is σ = 3818280648. Its totient is φ = 1269878904.

The previous prime is 2542639111. The next prime is 2542639133. The reversal of 2542639118 is 8119362452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542639111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718121 + ... + 721652.

It is an arithmetic number, because the mean of its divisors is an integer number (477285081).

Almost surely, 2^2542639118 is an apocalyptic number.

2542639118 is a deficient number, since it is larger than the sum of its proper divisors (1275641530).

2542639118 is a wasteful number, since it uses less digits than its factorization.

2542639118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440658.

The product of its digits is 103680, while the sum is 41.

The square root of 2542639118 is about 50424.5884266793. The cubic root of 2542639118 is about 1364.8813768921.

The spelling of 2542639118 in words is "two billion, five hundred forty-two million, six hundred thirty-nine thousand, one hundred eighteen".