325665423240 has 64 divisors (see below), whose sum is σ = 980078391360. Its totient is φ = 86570146560.

The previous prime is 325665423233. The next prime is 325665423241. The reversal of 325665423240 is 42324566523.

It is a junction number, because it is equal to n+sod(n) for n = 325665423192 and 325665423201.

It is not an unprimeable number, because it can be changed into a prime (325665423241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4242526 + ... + 4318605.

It is an arithmetic number, because the mean of its divisors is an integer number (15313724865).

Almost surely, 2^325665423240 is an apocalyptic number.

325665423240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325665423240 is an abundant number, since it is smaller than the sum of its proper divisors (654412968120).

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

325665423240 is a wasteful number, since it uses less digits than its factorization.

325665423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561462 (or 8561458 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 325665423240 its reverse (42324566523), we get a palindrome (367989989763).

The spelling of 325665423240 in words is "three hundred twenty-five billion, six hundred sixty-five million, four hundred twenty-three thousand, two hundred forty".