2808432460 has 48 divisors (see below), whose sum is σ = 6097996800. Its totient is φ = 1085633280.

The previous prime is 2808432449. The next prime is 2808432467. The reversal of 2808432460 is 642348082.

2808432460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (2808432467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97525 + ... + 122995.

It is an arithmetic number, because the mean of its divisors is an integer number (127041600).

Almost surely, 2^2808432460 is an apocalyptic number.

2808432460 is a gapful number since it is divisible by the number (20) 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 2808432460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048998400).

2808432460 is an abundant number, since it is smaller than the sum of its proper divisors (3289564340).

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

2808432460 is a wasteful number, since it uses less digits than its factorization.

2808432460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25666 (or 25664 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 2808432460 is about 52994.6455785865. The cubic root of 2808432460 is about 1410.8732347123.

The spelling of 2808432460 in words is "two billion, eight hundred eight million, four hundred thirty-two thousand, four hundred sixty".