4256894936 has 16 divisors (see below), whose sum is σ = 9121917840. Its totient is φ = 1824383520.

The previous prime is 4256894933. The next prime is 4256894959. The reversal of 4256894936 is 6394986524.

It is a happy number.

It is a super-2 number, since 2×4256894936² = 36242308992284888192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 76015981 = 4256894936 / (4 + 2 + 5 + 6 + 8 + 9 + 4 + 9 + 3 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256894933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38007935 + ... + 38008046.

It is an arithmetic number, because the mean of its divisors is an integer number (570119865).

Almost surely, 2^4256894936 is an apocalyptic number.

It is an amenable number.

4256894936 is an abundant number, since it is smaller than the sum of its proper divisors (4865022904).

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

4256894936 is a wasteful number, since it uses less digits than its factorization.

4256894936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76015994 (or 76015990 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 56.

The square root of 4256894936 is about 65244.8843665157. The cubic root of 4256894936 is about 1620.6813848571.

The spelling of 4256894936 in words is "four billion, two hundred fifty-six million, eight hundred ninety-four thousand, nine hundred thirty-six".