322803278040 has 384 divisors, whose sum is σ = 1062724069440. Its totient is φ = 78366081024.

The previous prime is 322803277987. The next prime is 322803278069. The reversal of 322803278040 is 40872308223.

It is a self number, because there is not a number n which added to its sum of digits gives 322803278040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 252781882 + ... + 252783158.

Almost surely, 2^322803278040 is an apocalyptic number.

322803278040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322803278040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531362034720).

322803278040 is an abundant number, since it is smaller than the sum of its proper divisors (739920791400).

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

322803278040 is a wasteful number, since it uses less digits than its factorization.

322803278040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 322803278040 in words is "three hundred twenty-two billion, eight hundred three million, two hundred seventy-eight thousand, forty".