4620640422 has 32 divisors (see below), whose sum is σ = 9487158912. Its totient is φ = 1499468544.

The previous prime is 4620640421. The next prime is 4620640439. The reversal of 4620640422 is 2240460264.

It is a self number, because there is not a number n which added to its sum of digits gives 4620640422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4620640421) 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, 50038 + ... + 108374.

It is an arithmetic number, because the mean of its divisors is an integer number (296473716).

Almost surely, 2^4620640422 is an apocalyptic number.

4620640422 is an abundant number, since it is smaller than the sum of its proper divisors (4866518490).

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

4620640422 is a wasteful number, since it uses less digits than its factorization.

4620640422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58692.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 4620640422 is about 67975.2927319920. The cubic root of 4620640422 is about 1665.5872628344.

The spelling of 4620640422 in words is "four billion, six hundred twenty million, six hundred forty thousand, four hundred twenty-two".