2567791442 has 32 divisors (see below), whose sum is σ = 4226027520. Its totient is φ = 1165602960.

The previous prime is 2567791441. The next prime is 2567791463. The reversal of 2567791442 is 2441977652.

It is not an unprimeable number, because it can be changed into a prime (2567791441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110753 + ... + 131915.

It is an arithmetic number, because the mean of its divisors is an integer number (132063360).

Almost surely, 2^2567791442 is an apocalyptic number.

2567791442 is a deficient number, since it is larger than the sum of its proper divisors (1658236078).

2567791442 is a wasteful number, since it uses less digits than its factorization.

2567791442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21318.

The product of its digits is 846720, while the sum is 47.

The square root of 2567791442 is about 50673.3800135732. The cubic root of 2567791442 is about 1369.3671828321.

The spelling of 2567791442 in words is "two billion, five hundred sixty-seven million, seven hundred ninety-one thousand, four hundred forty-two".