321240532422 has 16 divisors (see below), whose sum is σ = 642486864960. Its totient is φ = 107079210792.

The previous prime is 321240532399. The next prime is 321240532423. The reversal of 321240532422 is 224235042123.

It is a self number, because there is not a number n which added to its sum of digits gives 321240532422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321240532423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875829 + ... + 1187247.

It is an arithmetic number, because the mean of its divisors is an integer number (40155429060).

Almost surely, 2^321240532422 is an apocalyptic number.

321240532422 is an abundant number, since it is smaller than the sum of its proper divisors (321246332538).

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

321240532422 is a wasteful number, since it uses less digits than its factorization.

321240532422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483347.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 321240532422 its reverse (224235042123), we get a palindrome (545475574545).

The spelling of 321240532422 in words is "three hundred twenty-one billion, two hundred forty million, five hundred thirty-two thousand, four hundred twenty-two".