4209339420 has 576 divisors, whose sum is σ = 16345082880. Its totient is φ = 886464000.

The previous prime is 4209339391. The next prime is 4209339427. The reversal of 4209339420 is 249339024.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4209339427) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27876345 + ... + 27876495.

It is an arithmetic number, because the mean of its divisors is an integer number (28376880).

Almost surely, 2^4209339420 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 4209339420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8172541440).

4209339420 is an abundant number, since it is smaller than the sum of its proper divisors (12135743460).

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

4209339420 is a wasteful number, since it uses less digits than its factorization.

4209339420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 4209339420 is about 64879.4221614219. The cubic root of 4209339420 is about 1614.6236724072.

The spelling of 4209339420 in words is "four billion, two hundred nine million, three hundred thirty-nine thousand, four hundred twenty".