3212243740 has 24 divisors (see below), whose sum is σ = 7100750160. Its totient is φ = 1217271168.

The previous prime is 3212243729. The next prime is 3212243753. The reversal of 3212243740 is 473422123.

It is a junction number, because it is equal to n+sod(n) for n = 3212243699 and 3212243708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4226257 + ... + 4227016.

It is an arithmetic number, because the mean of its divisors is an integer number (295864590).

Almost surely, 2^3212243740 is an apocalyptic number.

It is an amenable number.

3212243740 is an abundant number, since it is smaller than the sum of its proper divisors (3888506420).

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

3212243740 is a wasteful number, since it uses less digits than its factorization.

3212243740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453301 (or 8453299 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 3212243740 is about 56676.6595698794. The cubic root of 3212243740 is about 1475.4896376920.

Adding to 3212243740 its reverse (473422123), we get a palindrome (3685665863).

The spelling of 3212243740 in words is "three billion, two hundred twelve million, two hundred forty-three thousand, seven hundred forty".