2256511042 has 8 divisors (see below), whose sum is σ = 3387103632. Its totient is φ = 1127476500.

The previous prime is 2256511027. The next prime is 2256511051. The reversal of 2256511042 is 2401156522.

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 2256511042.

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, 385884 + ... + 391687.

It is an arithmetic number, because the mean of its divisors is an integer number (423387954).

Almost surely, 2^2256511042 is an apocalyptic number.

2256511042 is a deficient number, since it is larger than the sum of its proper divisors (1130592590).

2256511042 is a wasteful number, since it uses less digits than its factorization.

2256511042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779024.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2256511042 is about 47502.7477310524. The cubic root of 2256511042 is about 1311.6334618466.

Adding to 2256511042 its reverse (2401156522), we get a palindrome (4657667564).

The spelling of 2256511042 in words is "two billion, two hundred fifty-six million, five hundred eleven thousand, forty-two".