4640817858 has 32 divisors (see below), whose sum is σ = 9627163200. Its totient is φ = 1489634496.

The previous prime is 4640817823. The next prime is 4640817877. The reversal of 4640817858 is 8587180464.

It is a super-3 number, since 3×4640817858³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4640817858.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30760 + ... + 101132.

It is an arithmetic number, because the mean of its divisors is an integer number (300848850).

Almost surely, 2^4640817858 is an apocalyptic number.

4640817858 is an abundant number, since it is smaller than the sum of its proper divisors (4986345342).

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

4640817858 is a wasteful number, since it uses less digits than its factorization.

4640817858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70786.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The square root of 4640817858 is about 68123.5484836191. The cubic root of 4640817858 is about 1668.0081739963.

The spelling of 4640817858 in words is "four billion, six hundred forty million, eight hundred seventeen thousand, eight hundred fifty-eight".