322343423420440 has 64 divisors (see below), whose sum is σ = 726756965172000. Its totient is φ = 128673631257600.

The previous prime is 322343423420429. The next prime is 322343423420549. The reversal of 322343423420440 is 44024324343223.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 322343423420393 and 322343423420402.

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, 76913115 + ... + 80995765.

Almost surely, 2^{322343423420440} is an apocalyptic number.

It is an amenable number.

322343423420440 is an abundant number, since it is smaller than the sum of its proper divisors (404413541751560).

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

322343423420440 is a wasteful number, since it uses less digits than its factorization.

322343423420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086700 (or 4086696 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 40.

Adding to 322343423420440 its reverse (44024324343223), we get a palindrome (366367747763663).

The spelling of 322343423420440 in words is "three hundred twenty-two trillion, three hundred forty-three billion, four hundred twenty-three million, four hundred twenty thousand, four hundred forty".