4399032402 has 66 divisors (see below), whose sum is σ = 9949316517. Its totient is φ = 1458746496.

The previous prime is 4399032373. The next prime is 4399032403. The reversal of 4399032402 is 2042309934.

It can be written as a sum of positive squares in 2 ways, for example, as 4084360281 + 314672121 = 63909^2 + 17739^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=46899.

It is not an unprimeable number, because it can be changed into a prime (4399032403) by changing a digit.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 22792818 + ... + 22793010.

Almost surely, 2^4399032402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4399032402

4399032402 is an abundant number, since it is smaller than the sum of its proper divisors (5550284115).

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

4399032402 is an frugal number, since it uses more digits than its factorization.

4399032402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 198 counting only the distinct ones).

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

The square root of 4399032402 is about 66325.2018617358. The cubic root of 4399032402 is about 1638.5224151797.

The spelling of 4399032402 in words is "four billion, three hundred ninety-nine million, thirty-two thousand, four hundred two".