2567740436242 has 8 divisors (see below), whose sum is σ = 3856201372800. Its totient is φ = 1282339978644.

The previous prime is 2567740436221. The next prime is 2567740436269. The reversal of 2567740436242 is 2426340477652.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2567740436242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765117642 + ... + 765120997.

It is an arithmetic number, because the mean of its divisors is an integer number (482025171600).

Almost surely, 2^{2567740436242} is an apocalyptic number.

2567740436242 is a deficient number, since it is larger than the sum of its proper divisors (1288460936558).

2567740436242 is a wasteful number, since it uses less digits than its factorization.

2567740436242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530239480.

The product of its (nonzero) digits is 13547520, while the sum is 52.

The spelling of 2567740436242 in words is "two trillion, five hundred sixty-seven billion, seven hundred forty million, four hundred thirty-six thousand, two hundred forty-two".