3213144440 has 32 divisors (see below), whose sum is σ = 7886810160. Its totient is φ = 1168416000.

The previous prime is 3213144373. The next prime is 3213144461. The reversal of 3213144440 is 444413123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3650861 + ... + 3651740.

Almost surely, 2^3213144440 is an apocalyptic number.

It is an amenable number.

3213144440 is an abundant number, since it is smaller than the sum of its proper divisors (4673665720).

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

3213144440 is a wasteful number, since it uses less digits than its factorization.

3213144440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302623 (or 7302619 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 3213144440 is about 56684.6049646639. The cubic root of 3213144440 is about 1475.6275318900.

Adding to 3213144440 its reverse (444413123), we get a palindrome (3657557563).

The spelling of 3213144440 in words is "three billion, two hundred thirteen million, one hundred forty-four thousand, four hundred forty".