4397504256 has 180 divisors, whose sum is σ = 13537526464. Its totient is φ = 1418342400.

The previous prime is 4397504183. The next prime is 4397504261. The reversal of 4397504256 is 6524057934.

4397504256 is a `hidden beast` number, since 4 + 3 + 97 + 504 + 2 + 56 = 666.

It is a super-2 number, since 2×4397504256² = 38676087363076227072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 639396 + ... + 646236.

Almost surely, 2^4397504256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4397504256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6768763232).

4397504256 is an abundant number, since it is smaller than the sum of its proper divisors (9140022208).

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

4397504256 is an equidigital number, since it uses as much as digits as its factorization.

4397504256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900 (or 6877 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 4397504256 is about 66313.6807604585. The cubic root of 4397504256 is about 1638.3326619765.

The spelling of 4397504256 in words is "four billion, three hundred ninety-seven million, five hundred four thousand, two hundred fifty-six".