6402425600 has 108 divisors (see below), whose sum is σ = 15973810944. Its totient is φ = 2540482560.

The previous prime is 6402425593. The next prime is 6402425609. The reversal of 6402425600 is 65242046.

It is not an unprimeable number, because it can be changed into a prime (6402425609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 808862 + ... + 816738.

Almost surely, 2^6402425600 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 6402425600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7986905472).

6402425600 is an abundant number, since it is smaller than the sum of its proper divisors (9571385344).

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

6402425600 is a wasteful number, since it uses less digits than its factorization.

6402425600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030 (or 8011 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 6402425600 is about 80015.1585638621. The cubic root of 6402425600 is about 1856.8700587750.

Adding to 6402425600 its reverse (65242046), we get a palindrome (6467667646).

The spelling of 6402425600 in words is "six billion, four hundred two million, four hundred twenty-five thousand, six hundred".