322144254040 has 64 divisors (see below), whose sum is σ = 837678542400. Its totient is φ = 109208444928.

The previous prime is 322144254031. The next prime is 322144254083. The reversal of 322144254040 is 40452441223.

It is a junction number, because it is equal to n+sod(n) for n = 322144253993 and 322144254011.

It is a congruent number.

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, 6438649 + ... + 6488488.

It is an arithmetic number, because the mean of its divisors is an integer number (13088727225).

Almost surely, 2^322144254040 is an apocalyptic number.

It is an amenable number.

322144254040 is an abundant number, since it is smaller than the sum of its proper divisors (515534288360).

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

322144254040 is a wasteful number, since it uses less digits than its factorization.

322144254040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12927244 (or 12927240 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 322144254040 its reverse (40452441223), we get a palindrome (362596695263).

The spelling of 322144254040 in words is "three hundred twenty-two billion, one hundred forty-four million, two hundred fifty-four thousand, forty".