322440040240 has 80 divisors (see below), whose sum is σ = 757550299392. Its totient is φ = 127623579392.

The previous prime is 322440040159. The next prime is 322440040261. The reversal of 322440040240 is 42040044223.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7571487 + ... + 7613953.

Almost surely, 2^322440040240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322440040240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378775149696).

322440040240 is an abundant number, since it is smaller than the sum of its proper divisors (435110259152).

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

322440040240 is a wasteful number, since it uses less digits than its factorization.

322440040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43474 (or 43468 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 322440040240 its reverse (42040044223), we get a palindrome (364480084463).

The spelling of 322440040240 in words is "three hundred twenty-two billion, four hundred forty million, forty thousand, two hundred forty".