325152220040 has 16 divisors (see below), whose sum is σ = 731592495180. Its totient is φ = 130060888000.

The previous prime is 325152220039. The next prime is 325152220061. The reversal of 325152220040 is 40022251523.

It can be written as a sum of positive squares in 2 ways, for example, as 300148388164 + 25003831876 = 547858^2 + 158126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 325152219991 and 325152220009.

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 3 ways as a sum of consecutive naturals, for example, 4064402711 + ... + 4064402790.

Almost surely, 2^325152220040 is an apocalyptic number.

It is an amenable number.

325152220040 is an abundant number, since it is smaller than the sum of its proper divisors (406440275140).

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

325152220040 is a wasteful number, since it uses less digits than its factorization.

325152220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8128805512 (or 8128805508 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 325152220040 its reverse (40022251523), we get a palindrome (365174471563).

The spelling of 325152220040 in words is "three hundred twenty-five billion, one hundred fifty-two million, two hundred twenty thousand, forty".