2639080242 has 24 divisors (see below), whose sum is σ = 5719059216. Its totient is φ = 879531576.

The previous prime is 2639080229. The next prime is 2639080247. The reversal of 2639080242 is 2420809362.

2639080242 is a `hidden beast` number, since 26 + 390 + 8 + 0 + 242 = 666.

2639080242 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2639080197 and 2639080206.

It is not an unprimeable number, because it can be changed into a prime (2639080247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126133 + ... + 145559.

It is an arithmetic number, because the mean of its divisors is an integer number (238294134).

Almost surely, 2^2639080242 is an apocalyptic number.

2639080242 is an abundant number, since it is smaller than the sum of its proper divisors (3079978974).

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

2639080242 is a wasteful number, since it uses less digits than its factorization.

2639080242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26982 (or 26979 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2639080242 is about 51371.9791520630. The cubic root of 2639080242 is about 1381.9241244035.

The spelling of 2639080242 in words is "two billion, six hundred thirty-nine million, eighty thousand, two hundred forty-two".