325509040 has 40 divisors (see below), whose sum is σ = 771097968. Its totient is φ = 127745280.

The previous prime is 325509029. The next prime is 325509053. The reversal of 325509040 is 40905523.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×325509040² = 211912270243443200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34146 + ... + 42625.

Almost surely, 2^325509040 is an apocalyptic number.

It is an amenable number.

325509040 is an abundant number, since it is smaller than the sum of its proper divisors (445588928).

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

325509040 is a wasteful number, since it uses less digits than its factorization.

325509040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76837 (or 76831 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 325509040 is about 18041.8690827752. The cubic root of 325509040 is about 687.8932027306.

The spelling of 325509040 in words is "three hundred twenty-five million, five hundred nine thousand, forty".