4056556425 has 48 divisors (see below), whose sum is σ = 6885065280. Its totient is φ = 2106720000.

The previous prime is 4056556421. The next prime is 4056556433. The reversal of 4056556425 is 5246556504.

It is a happy number.

It is not a de Polignac number, because 4056556425 - 2² = 4056556421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4056556421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 457686 + ... + 466464.

It is an arithmetic number, because the mean of its divisors is an integer number (143438860).

Almost surely, 2^4056556425 is an apocalyptic number.

It is an amenable number.

4056556425 is a deficient number, since it is larger than the sum of its proper divisors (2828508855).

4056556425 is a wasteful number, since it uses less digits than its factorization.

4056556425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954 (or 8949 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The square root of 4056556425 is about 63691.1016155318. The cubic root of 4056556425 is about 1594.8475432678.

The spelling of 4056556425 in words is "four billion, fifty-six million, five hundred fifty-six thousand, four hundred twenty-five".