6425986560 has 320 divisors, whose sum is σ = 24503288832. Its totient is φ = 1404665856.

The previous prime is 6425986517. The next prime is 6425986571. The reversal of 6425986560 is 656895246.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1233882 + ... + 1239078.

Almost surely, 2^6425986560 is an apocalyptic number.

6425986560 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 6425986560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12251644416).

6425986560 is an abundant number, since it is smaller than the sum of its proper divisors (18077302272).

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

6425986560 is a wasteful number, since it uses less digits than its factorization.

6425986560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253 (or 5237 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The square root of 6425986560 is about 80162.2514653874. The cubic root of 6425986560 is about 1859.1450342846.

The spelling of 6425986560 in words is "six billion, four hundred twenty-five million, nine hundred eighty-six thousand, five hundred sixty".