322500040 has 16 divisors (see below), whose sum is σ = 725625180. Its totient is φ = 129000000.

The previous prime is 322500019. The next prime is 322500109. The reversal of 322500040 is 40005223.

It can be written as a sum of positive squares in 2 ways, for example, as 316768804 + 5731236 = 17798^2 + 2394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 322499987 and 322500023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4031211 + ... + 4031290.

Almost surely, 2^322500040 is an apocalyptic number.

It is an amenable number.

322500040 is an abundant number, since it is smaller than the sum of its proper divisors (403125140).

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

322500040 is a wasteful number, since it uses less digits than its factorization.

322500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062512 (or 8062508 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 322500040 is about 17958.2861097600. The cubic root of 322500040 is about 685.7670133892.

Adding to 322500040 its reverse (40005223), we get a palindrome (362505263).

The spelling of 322500040 in words is "three hundred twenty-two million, five hundred thousand, forty".