4564456140 has 96 divisors (see below), whose sum is σ = 13547036160. Its totient is φ = 1144339456.

The previous prime is 4564456129. The next prime is 4564456147. The reversal of 4564456140 is 416544654.

It is not an unprimeable number, because it can be changed into a prime (4564456147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1245631 + ... + 1249289.

It is an arithmetic number, because the mean of its divisors is an integer number (141114960).

Almost surely, 2^4564456140 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 4564456140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6773518080).

4564456140 is an abundant number, since it is smaller than the sum of its proper divisors (8982580020).

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

4564456140 is a wasteful number, since it uses less digits than its factorization.

4564456140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911 (or 4909 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 4564456140 is about 67560.7588767326. The cubic root of 4564456140 is about 1658.8088590485.

The spelling of 4564456140 in words is "four billion, five hundred sixty-four million, four hundred fifty-six thousand, one hundred forty".