6425400000 has 168 divisors, whose sum is σ = 21251296080. Its totient is φ = 1713280000.

The previous prime is 6425399999. The next prime is 6425400071. The reversal of 6425400000 is 45246.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6425400000.

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, 594646 + ... + 605354.

It is an arithmetic number, because the mean of its divisors is an integer number (126495810).

Almost surely, 2^6425400000 is an apocalyptic number.

6425400000 is a gapful number since it is divisible by the number (60) 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 6425400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10625648040).

6425400000 is an abundant number, since it is smaller than the sum of its proper divisors (14825896080).

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

6425400000 is an equidigital number, since it uses as much as digits as its factorization.

6425400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10749 (or 10719 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 6425400000 is about 80158.5928020197. The cubic root of 6425400000 is about 1859.0884653680.

Adding to 6425400000 its reverse (45246), we get a palindrome (6425445246).

The spelling of 6425400000 in words is "six billion, four hundred twenty-five million, four hundred thousand".