32321234440 has 48 divisors (see below), whose sum is σ = 79934965740. Its totient is φ = 11753174400.

The previous prime is 32321234423. The next prime is 32321234441. The reversal of 32321234440 is 4443212323.

It can be written as a sum of positive squares in 2 ways, for example, as 31138837444 + 1182396996 = 176462^2 + 34386^2 .

It is a super-2 number, since 2×32321234440² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32321234399 and 32321234408.

It is not an unprimeable number, because it can be changed into a prime (32321234441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3334131 + ... + 3343810.

Almost surely, 2^32321234440 is an apocalyptic number.

It is an amenable number.

32321234440 is an abundant number, since it is smaller than the sum of its proper divisors (47613731300).

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

32321234440 is a wasteful number, since it uses less digits than its factorization.

32321234440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677974 (or 6677959 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 32321234440 its reverse (4443212323), we get a palindrome (36764446763).

The spelling of 32321234440 in words is "thirty-two billion, three hundred twenty-one million, two hundred thirty-four thousand, four hundred forty".