2556016442 has 32 divisors (see below), whose sum is σ = 4554472320. Its totient is φ = 1052614080.

The previous prime is 2556016429. The next prime is 2556016451. The reversal of 2556016442 is 2446106552.

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 15 ways as a sum of consecutive naturals, for example, 70748 + ... + 100584.

It is an arithmetic number, because the mean of its divisors is an integer number (142327260).

Almost surely, 2^2556016442 is an apocalyptic number.

2556016442 is a deficient number, since it is larger than the sum of its proper divisors (1998455878).

2556016442 is a wasteful number, since it uses less digits than its factorization.

2556016442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30086.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2556016442 is about 50557.0612476635. The cubic root of 2556016442 is about 1367.2708276910.

The spelling of 2556016442 in words is "two billion, five hundred fifty-six million, sixteen thousand, four hundred forty-two".