2556158342 has 8 divisors (see below), whose sum is σ = 3843896736. Its totient is φ = 1274859432.

The previous prime is 2556158323. The next prime is 2556158389. The reversal of 2556158342 is 2438516552.

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 2556158342.

It is a congruent number.

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, 1608878 + ... + 1610465.

It is an arithmetic number, because the mean of its divisors is an integer number (480487092).

Almost surely, 2^2556158342 is an apocalyptic number.

2556158342 is a deficient number, since it is larger than the sum of its proper divisors (1287738394).

2556158342 is a wasteful number, since it uses less digits than its factorization.

2556158342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219742.

The product of its digits is 288000, while the sum is 41.

The square root of 2556158342 is about 50558.4645929838. The cubic root of 2556158342 is about 1367.2961290594.

The spelling of 2556158342 in words is "two billion, five hundred fifty-six million, one hundred fifty-eight thousand, three hundred forty-two".