321433214432 has 48 divisors (see below), whose sum is σ = 690491692800. Its totient is φ = 146076205440.

The previous prime is 321433214411. The next prime is 321433214437. The reversal of 321433214432 is 234412334123.

It is a super-2 number, since 2×321433214432² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321433214437) 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, 1683119 + ... + 1864337.

It is an arithmetic number, because the mean of its divisors is an integer number (14385243600).

Almost surely, 2^321433214432 is an apocalyptic number.

321433214432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321433214432 is an abundant number, since it is smaller than the sum of its proper divisors (369058478368).

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

321433214432 is a wasteful number, since it uses less digits than its factorization.

321433214432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186279 (or 186271 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 321433214432 its reverse (234412334123), we get a palindrome (555845548555).

The spelling of 321433214432 in words is "three hundred twenty-one billion, four hundred thirty-three million, two hundred fourteen thousand, four hundred thirty-two".