4256774916 has 24 divisors (see below), whose sum is σ = 9943308480. Its totient is φ = 1417377312.

The previous prime is 4256774903. The next prime is 4256774917. The reversal of 4256774916 is 6194776524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4256774917) 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, 181971 + ... + 204026.

It is an arithmetic number, because the mean of its divisors is an integer number (414304520).

Almost surely, 2^4256774916 is an apocalyptic number.

It is an amenable number.

4256774916 is an abundant number, since it is smaller than the sum of its proper divisors (5686533564).

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

4256774916 is a wasteful number, since it uses less digits than its factorization.

4256774916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386923 (or 386921 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The square root of 4256774916 is about 65243.9645944359. The cubic root of 4256774916 is about 1620.6661534102. Note that the first 3 decimals are identical.

The spelling of 4256774916 in words is "four billion, two hundred fifty-six million, seven hundred seventy-four thousand, nine hundred sixteen".