320422400052 has 48 divisors (see below), whose sum is σ = 756886771200. Its totient is φ = 105489023328.

The previous prime is 320422400047. The next prime is 320422400057. The reversal of 320422400052 is 250004224023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320422400047) and next prime (320422400057).

It is a junction number, because it is equal to n+sod(n) for n = 320422399995 and 320422400031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320422400057) 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 15 ways as a sum of consecutive naturals, for example, 3402699 + ... + 3495597.

It is an arithmetic number, because the mean of its divisors is an integer number (15768474400).

Almost surely, 2^320422400052 is an apocalyptic number.

It is an amenable number.

320422400052 is an abundant number, since it is smaller than the sum of its proper divisors (436464371148).

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

320422400052 is a wasteful number, since it uses less digits than its factorization.

320422400052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96452 (or 96450 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 320422400052 its reverse (250004224023), we get a palindrome (570426624075).

The spelling of 320422400052 in words is "three hundred twenty billion, four hundred twenty-two million, four hundred thousand, fifty-two".