2604422100 has 144 divisors (see below), whose sum is σ = 9118666368. Its totient is φ = 560271360.

The previous prime is 2604422069. The next prime is 2604422113. The reversal of 2604422100 is 12244062.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 777 + ... + 72176.

It is an arithmetic number, because the mean of its divisors is an integer number (63324072).

Almost surely, 2^2604422100 is an apocalyptic number.

2604422100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2604422100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4559333184).

2604422100 is an abundant number, since it is smaller than the sum of its proper divisors (6514244268).

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

2604422100 is a wasteful number, since it uses less digits than its factorization.

2604422100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72994 (or 72987 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2604422100 is about 51033.5389719349. The cubic root of 2604422100 is about 1375.8480014239.

Adding to 2604422100 its reverse (12244062), we get a palindrome (2616666162).

The spelling of 2604422100 in words is "two billion, six hundred four million, four hundred twenty-two thousand, one hundred".