4636243404 has 72 divisors (see below), whose sum is σ = 12657699600. Its totient is φ = 1422375552.

The previous prime is 4636243399. The next prime is 4636243429. The reversal of 4636243404 is 4043426364.

4636243404 is a `hidden beast` number, since 4 + 6 + 3 + 6 + 243 + 404 = 666.

It is a super-2 number, since 2×4636243404² = 42989505802267014432, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148122 + ... + 176670.

Almost surely, 2^4636243404 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 4636243404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6328849800).

4636243404 is an abundant number, since it is smaller than the sum of its proper divisors (8021456196).

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

4636243404 is a wasteful number, since it uses less digits than its factorization.

4636243404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28919 (or 28914 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

The square root of 4636243404 is about 68089.9655162198. The cubic root of 4636243404 is about 1667.4599419598.

Adding to 4636243404 its reverse (4043426364), we get a palindrome (8679669768).

The spelling of 4636243404 in words is "four billion, six hundred thirty-six million, two hundred forty-three thousand, four hundred four".