325780040 has 32 divisors (see below), whose sum is σ = 750055680. Its totient is φ = 127280832.

The previous prime is 325780033. The next prime is 325780051. The reversal of 325780040 is 40087523.

It is a happy number.

It is a super-2 number, since 2×325780040² = 212265268924803200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 325779985 and 325780012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92984 + ... + 96423.

It is an arithmetic number, because the mean of its divisors is an integer number (23439240).

Almost surely, 2^325780040 is an apocalyptic number.

It is an amenable number.

325780040 is an abundant number, since it is smaller than the sum of its proper divisors (424275640).

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

325780040 is a wasteful number, since it uses less digits than its factorization.

325780040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189461 (or 189457 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 325780040 is about 18049.3778286123. The cubic root of 325780040 is about 688.0840498091.

The spelling of 325780040 in words is "three hundred twenty-five million, seven hundred eighty thousand, forty".