4223539940 has 36 divisors (see below), whose sum is σ = 8940504636. Its totient is φ = 1675985472.

The previous prime is 4223539939. The next prime is 4223539951. The reversal of 4223539940 is 499353224.

It can be written as a sum of positive squares in 2 ways, for example, as 2791220224 + 1432319716 = 52832^2 + 37846^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316034 + ... + 329126.

It is an arithmetic number, because the mean of its divisors is an integer number (248347351).

Almost surely, 2^4223539940 is an apocalyptic number.

It is an amenable number.

4223539940 is an abundant number, since it is smaller than the sum of its proper divisors (4716964696).

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

4223539940 is a wasteful number, since it uses less digits than its factorization.

4223539940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13356 (or 13227 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 4223539940 is about 64988.7677987512. The cubic root of 4223539940 is about 1616.4373188427.

The spelling of 4223539940 in words is "four billion, two hundred twenty-three million, five hundred thirty-nine thousand, nine hundred forty".