4256556412 has 24 divisors (see below), whose sum is σ = 7677084800. Its totient is φ = 2063816496.

The previous prime is 4256556389. The next prime is 4256556413. The reversal of 4256556412 is 2146556524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256556413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65112 + ... + 112927.

Almost surely, 2^4256556412 is an apocalyptic number.

It is an amenable number.

4256556412 is a deficient number, since it is larger than the sum of its proper divisors (3420528388).

4256556412 is a wasteful number, since it uses less digits than its factorization.

4256556412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178225 (or 178223 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 4256556412 is about 65242.2900579065. The cubic root of 4256556412 is about 1620.6384228627.

The spelling of 4256556412 in words is "four billion, two hundred fifty-six million, five hundred fifty-six thousand, four hundred twelve".