322782020449 has 16 divisors (see below), whose sum is σ = 374728043520. Its totient is φ = 272310405120.

The previous prime is 322782020411. The next prime is 322782020503. The reversal of 322782020449 is 944020287223.

It is a cyclic number.

It is not a de Polignac number, because 322782020449 - 2¹⁷ = 322781889377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322782020149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414592 + ... + 904129.

It is an arithmetic number, because the mean of its divisors is an integer number (23420502720).

Almost surely, 2^322782020449 is an apocalyptic number.

It is an amenable number.

322782020449 is a deficient number, since it is larger than the sum of its proper divisors (51946023071).

322782020449 is a wasteful number, since it uses less digits than its factorization.

322782020449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319280.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 322782020449 in words is "three hundred twenty-two billion, seven hundred eighty-two million, twenty thousand, four hundred forty-nine".