4256522160 has 80 divisors (see below), whose sum is σ = 14394792960. Its totient is φ = 1031883520.

The previous prime is 4256521981. The next prime is 4256522189. The reversal of 4256522160 is 612256524.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803520 + ... + 808799.

It is an arithmetic number, because the mean of its divisors is an integer number (179934912).

Almost surely, 2^4256522160 is an apocalyptic number.

4256522160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4256522160 is an abundant number, since it is smaller than the sum of its proper divisors (10138270800).

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

4256522160 is a wasteful number, since it uses less digits than its factorization.

4256522160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612346 (or 1612340 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 4256522160 is about 65242.0275589286. The cubic root of 4256522160 is about 1620.6340758233.

Adding to 4256522160 its reverse (612256524), we get a palindrome (4868778684).

The spelling of 4256522160 in words is "four billion, two hundred fifty-six million, five hundred twenty-two thousand, one hundred sixty".