822040464 has 60 divisors (see below), whose sum is σ = 2470322544. Its totient is φ = 234868032.

The previous prime is 822040463. The next prime is 822040477. The reversal of 822040464 is 464040228.

It is not an unprimeable number, because it can be changed into a prime (822040463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172402 + ... + 177105.

Almost surely, 2^822040464 is an apocalyptic number.

822040464 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

822040464 is an abundant number, since it is smaller than the sum of its proper divisors (1648282080).

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

822040464 is a wasteful number, since it uses less digits than its factorization.

822040464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349532 (or 349519 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 822040464 is about 28671.2480370144. The cubic root of 822040464 is about 936.7658827511.

It can be divided in two parts, 8220 and 40464, that added together give a palindrome (48684).

The spelling of 822040464 in words is "eight hundred twenty-two million, forty thousand, four hundred sixty-four".