320825442 has 24 divisors (see below), whose sum is σ = 746410896. Its totient is φ = 91664328.

The previous prime is 320825429. The next prime is 320825489. The reversal of 320825442 is 244528023.

320825442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545328 + ... + 545915.

It is an arithmetic number, because the mean of its divisors is an integer number (31100454).

Almost surely, 2^320825442 is an apocalyptic number.

320825442 is an abundant number, since it is smaller than the sum of its proper divisors (425585454).

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

320825442 is a wasteful number, since it uses less digits than its factorization.

320825442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091262 (or 1091255 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 320825442 is about 17911.6007659840. The cubic root of 320825442 is about 684.5779928607.

The spelling of 320825442 in words is "three hundred twenty million, eight hundred twenty-five thousand, four hundred forty-two".