2004722136 has 160 divisors (see below), whose sum is σ = 6049612800. Its totient is φ = 618425280.

The previous prime is 2004722099. The next prime is 2004722149. The reversal of 2004722136 is 6312274002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 459855 + ... + 464193.

It is an arithmetic number, because the mean of its divisors is an integer number (37810080).

Almost surely, 2^2004722136 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 2004722136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3024806400).

2004722136 is an abundant number, since it is smaller than the sum of its proper divisors (4044890664).

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

2004722136 is a wasteful number, since it uses less digits than its factorization.

2004722136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2004722136 is about 44774.1235090091. The cubic root of 2004722136 is about 1260.9118569404.

Adding to 2004722136 its reverse (6312274002), we get a palindrome (8316996138).

The spelling of 2004722136 in words is "two billion, four million, seven hundred twenty-two thousand, one hundred thirty-six".