402242022320 has 20 divisors (see below), whose sum is σ = 935212702080. Its totient is φ = 160896808896.

The previous prime is 402242022311. The next prime is 402242022323. The reversal of 402242022320 is 23220242204.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (402242022323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2514012560 + ... + 2514012719.

It is an arithmetic number, because the mean of its divisors is an integer number (46760635104).

Almost surely, 2^402242022320 is an apocalyptic number.

402242022320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402242022320 is an abundant number, since it is smaller than the sum of its proper divisors (532970679760).

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

402242022320 is a wasteful number, since it uses less digits than its factorization.

402242022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028025292 (or 5028025286 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 402242022320 its reverse (23220242204), we get a palindrome (425462264524).

The spelling of 402242022320 in words is "four hundred two billion, two hundred forty-two million, twenty-two thousand, three hundred twenty".