2557846807042 has 8 divisors (see below), whose sum is σ = 3853975458816. Its totient is φ = 1273188320772.

The previous prime is 2557846807039. The next prime is 2557846807063. The reversal of 2557846807042 is 2407086487552.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867540818 + ... + 2867541709.

It is an arithmetic number, because the mean of its divisors is an integer number (481746932352).

Almost surely, 2^{2557846807042} is an apocalyptic number.

2557846807042 is a deficient number, since it is larger than the sum of its proper divisors (1296128651774).

2557846807042 is a wasteful number, since it uses less digits than its factorization.

2557846807042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735082752.

The product of its (nonzero) digits is 30105600, while the sum is 58.

The spelling of 2557846807042 in words is "two trillion, five hundred fifty-seven billion, eight hundred forty-six million, eight hundred seven thousand, forty-two".