4256662120 has 64 divisors (see below), whose sum is σ = 9725091840. Its totient is φ = 1676505600.

The previous prime is 4256662097. The next prime is 4256662129. The reversal of 4256662120 is 212666524.

It is not an unprimeable number, because it can be changed into a prime (4256662129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2892985 + ... + 2894455.

It is an arithmetic number, because the mean of its divisors is an integer number (151954560).

Almost surely, 2^4256662120 is an apocalyptic number.

4256662120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4256662120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4862545920).

4256662120 is an abundant number, since it is smaller than the sum of its proper divisors (5468429720).

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

4256662120 is a wasteful number, since it uses less digits than its factorization.

4256662120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 4256662120 is about 65243.1001715890. The cubic root of 4256662120 is about 1620.6518384826.

The spelling of 4256662120 in words is "four billion, two hundred fifty-six million, six hundred sixty-two thousand, one hundred twenty".