6425865480 has 128 divisors (see below), whose sum is σ = 20095044480. Its totient is φ = 1642291200.

The previous prime is 6425865469. The next prime is 6425865491. The reversal of 6425865480 is 845685246.

It is an interprime number because it is at equal distance from previous prime (6425865469) and next prime (6425865491).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286680 + ... + 308280.

It is an arithmetic number, because the mean of its divisors is an integer number (156992535).

Almost surely, 2^6425865480 is an apocalyptic number.

6425865480 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 6425865480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10047522240).

6425865480 is an abundant number, since it is smaller than the sum of its proper divisors (13669179000).

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

6425865480 is a wasteful number, since it uses less digits than its factorization.

6425865480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21719 (or 21715 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The square root of 6425865480 is about 80161.4962435208. The cubic root of 6425865480 is about 1859.1333573904.

The spelling of 6425865480 in words is "six billion, four hundred twenty-five million, eight hundred sixty-five thousand, four hundred eighty".