322000040 has 16 divisors (see below), whose sum is σ = 724500180. Its totient is φ = 128800000.

The previous prime is 322000037. The next prime is 322000051. The reversal of 322000040 is 40000223.

It can be written as a sum of positive squares in 2 ways, for example, as 264452644 + 57547396 = 16262^2 + 7586^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321999985 and 322000030.

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, 4024961 + ... + 4025040.

Almost surely, 2^322000040 is an apocalyptic number.

It is an amenable number.

322000040 is an abundant number, since it is smaller than the sum of its proper divisors (402500140).

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

322000040 is a wasteful number, since it uses less digits than its factorization.

322000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050012 (or 8050008 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 322000040 is about 17944.3595594828. The cubic root of 322000040 is about 685.4124285647.

Adding to 322000040 its reverse (40000223), we get a palindrome (362000263).

The spelling of 322000040 in words is "three hundred twenty-two million, forty", and thus it is an aban number.