828325140 has 48 divisors (see below), whose sum is σ = 2441382720. Its totient is φ = 209260800.

The previous prime is 828325123. The next prime is 828325189. The reversal of 828325140 is 41523828.

It is a super-2 number, since 2×828325140² = 1372245075112039200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362161 + ... + 364440.

It is an arithmetic number, because the mean of its divisors is an integer number (50862140).

Almost surely, 2^828325140 is an apocalyptic number.

It is an amenable number.

828325140 is an abundant number, since it is smaller than the sum of its proper divisors (1613057580).

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

828325140 is a wasteful number, since it uses less digits than its factorization.

828325140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726632 (or 726630 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 828325140 is about 28780.6382834016. The cubic root of 828325140 is about 939.1470835843.

Adding to 828325140 its reverse (41523828), we get a palindrome (869848968).

The spelling of 828325140 in words is "eight hundred twenty-eight million, three hundred twenty-five thousand, one hundred forty".