321404222401232 has 40 divisors (see below), whose sum is σ = 667863292361760. Its totient is φ = 149371575050880.

The previous prime is 321404222401153. The next prime is 321404222401237. The reversal of 321404222401232 is 232104222404123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321404222401237) 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, 9974047394 + ... + 9974079617.

It is an arithmetic number, because the mean of its divisors is an integer number (16696582309044).

Almost surely, 2^{321404222401232} is an apocalyptic number.

It is an amenable number.

321404222401232 is an abundant number, since it is smaller than the sum of its proper divisors (346459069960528).

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

321404222401232 is a wasteful number, since it uses less digits than its factorization.

321404222401232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19948127091 (or 19948127085 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 321404222401232 its reverse (232104222404123), we get a palindrome (553508444805355).

The spelling of 321404222401232 in words is "three hundred twenty-one trillion, four hundred four billion, two hundred twenty-two million, four hundred one thousand, two hundred thirty-two".