4640012256 has 96 divisors (see below), whose sum is σ = 13318905600. Its totient is φ = 1402721280.

The previous prime is 4640012231. The next prime is 4640012257. The reversal of 4640012256 is 6522100464.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640012257) 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, 458580 + ... + 468588.

It is an arithmetic number, because the mean of its divisors is an integer number (138738600).

Almost surely, 2^4640012256 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 4640012256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6659452800).

4640012256 is an abundant number, since it is smaller than the sum of its proper divisors (8678893344).

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

4640012256 is a wasteful number, since it uses less digits than its factorization.

4640012256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10472 (or 10464 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4640012256 is about 68117.6354257838. The cubic root of 4640012256 is about 1667.9116516070.

The spelling of 4640012256 in words is "four billion, six hundred forty million, twelve thousand, two hundred fifty-six".