2567888042 has 4 divisors (see below), whose sum is σ = 3851832066. Its totient is φ = 1283944020.

The previous prime is 2567888003. The next prime is 2567888047. The reversal of 2567888042 is 2408887652.

It is a happy number.

2567888042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2386420201 + 181467841 = 48851^2 + 13471^2 .

It is not an unprimeable number, because it can be changed into a prime (2567888047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641972009 + ... + 641972012.

Almost surely, 2^2567888042 is an apocalyptic number.

2567888042 is a deficient number, since it is larger than the sum of its proper divisors (1283944024).

2567888042 is a wasteful number, since it uses less digits than its factorization.

2567888042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283944023.

The product of its (nonzero) digits is 1720320, while the sum is 50.

The square root of 2567888042 is about 50674.3331677882. Note that the first 3 decimals coincide. The cubic root of 2567888042 is about 1369.3843544254.

The spelling of 2567888042 in words is "two billion, five hundred sixty-seven million, eight hundred eighty-eight thousand, forty-two".