3212432340 has 96 divisors (see below), whose sum is σ = 9699177600. Its totient is φ = 789735936.

The previous prime is 3212432339. The next prime is 3212432359. The reversal of 3212432340 is 432342123.

It is a self number, because there is not a number n which added to its sum of digits gives 3212432340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 736486 + ... + 740834.

It is an arithmetic number, because the mean of its divisors is an integer number (101033100).

Almost surely, 2^3212432340 is an apocalyptic number.

3212432340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3212432340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4849588800).

3212432340 is an abundant number, since it is smaller than the sum of its proper divisors (6486745260).

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

3212432340 is a wasteful number, since it uses less digits than its factorization.

3212432340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321 (or 5319 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3212432340 is about 56678.3233696975. The cubic root of 3212432340 is about 1475.5185138631.

Adding to 3212432340 its reverse (432342123), we get a palindrome (3644774463).

The spelling of 3212432340 in words is "three billion, two hundred twelve million, four hundred thirty-two thousand, three hundred forty".