825140808 has 48 divisors (see below), whose sum is σ = 2244153600. Its totient is φ = 273890400.

The previous prime is 825140779. The next prime is 825140831. The reversal of 825140808 is 808041528.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 6768 + ... + 41183.

It is an arithmetic number, because the mean of its divisors is an integer number (46753200).

Almost surely, 2^825140808 is an apocalyptic number.

It is an amenable number.

825140808 is an abundant number, since it is smaller than the sum of its proper divisors (1419012792).

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

825140808 is a wasteful number, since it uses less digits than its factorization.

825140808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48202 (or 48195 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 825140808 is about 28725.2642807686. The cubic root of 825140808 is about 937.9420831272.

The spelling of 825140808 in words is "eight hundred twenty-five million, one hundred forty thousand, eight hundred eight".