2256320046 has 16 divisors (see below), whose sum is σ = 4513809024. Its totient is φ = 751911864.

The previous prime is 2256320039. The next prime is 2256320047. The reversal of 2256320046 is 6400236522.

It is a junction number, because it is equal to n+sod(n) for n = 2256319995 and 2256320022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256320047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22530 + ... + 70853.

It is an arithmetic number, because the mean of its divisors is an integer number (282113064).

Almost surely, 2^2256320046 is an apocalyptic number.

2256320046 is an abundant number, since it is smaller than the sum of its proper divisors (2257488978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2256320046 is a wasteful number, since it uses less digits than its factorization.

2256320046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97415.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2256320046 is about 47500.7373205932. The cubic root of 2256320046 is about 1311.5964543000.

Adding to 2256320046 its reverse (6400236522), we get a palindrome (8656556568).

The spelling of 2256320046 in words is "two billion, two hundred fifty-six million, three hundred twenty thousand, forty-six".