325935640 has 32 divisors (see below), whose sum is σ = 758646000. Its totient is φ = 125878144.

The previous prime is 325935629. The next prime is 325935661. The reversal of 325935640 is 46539523.

It is a self number, because there is not a number n which added to its sum of digits gives 325935640.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 139330 + ... + 141649.

Almost surely, 2^325935640 is an apocalyptic number.

It is an amenable number.

325935640 is an abundant number, since it is smaller than the sum of its proper divisors (432710360).

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

325935640 is a wasteful number, since it uses less digits than its factorization.

325935640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281019 (or 281015 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 325935640 is about 18053.6877119330. The cubic root of 325935640 is about 688.1935806007.

The spelling of 325935640 in words is "three hundred twenty-five million, nine hundred thirty-five thousand, six hundred forty".