6404325400 has 96 divisors (see below), whose sum is σ = 16621704000. Its totient is φ = 2274652800.

The previous prime is 6404325377. The next prime is 6404325427. The reversal of 6404325400 is 45234046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60751 + ... + 128449.

It is an arithmetic number, because the mean of its divisors is an integer number (173142750).

Almost surely, 2^6404325400 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 6404325400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8310852000).

6404325400 is an abundant number, since it is smaller than the sum of its proper divisors (10217378600).

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

6404325400 is a wasteful number, since it uses less digits than its factorization.

6404325400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67769 (or 67760 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 6404325400 is about 80027.0291838951. The cubic root of 6404325400 is about 1857.0537044269.

Adding to 6404325400 its reverse (45234046), we get a palindrome (6449559446).

The spelling of 6404325400 in words is "six billion, four hundred four million, three hundred twenty-five thousand, four hundred".