3120132440 has 32 divisors (see below), whose sum is σ = 7023510000. Its totient is φ = 1247481984.

The previous prime is 3120132439. The next prime is 3120132473. The reversal of 3120132440 is 442310213.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 76886 + ... + 110234.

Almost surely, 2^3120132440 is an apocalyptic number.

It is an amenable number.

3120132440 is an abundant number, since it is smaller than the sum of its proper divisors (3903377560).

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

3120132440 is a wasteful number, since it uses less digits than its factorization.

3120132440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35699 (or 35695 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3120132440 is about 55858.1456906690. The cubic root of 3120132440 is about 1461.2493902819.

Adding to 3120132440 its reverse (442310213), we get a palindrome (3562442653).

The spelling of 3120132440 in words is "three billion, one hundred twenty million, one hundred thirty-two thousand, four hundred forty".