3113625440 has 96 divisors (see below), whose sum is σ = 7511144256. Its totient is φ = 1219368960.

The previous prime is 3113625433. The next prime is 3113625481. The reversal of 3113625440 is 445263113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2566274 + ... + 2567486.

It is an arithmetic number, because the mean of its divisors is an integer number (78241086).

Almost surely, 2^3113625440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113625440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3755572128).

3113625440 is an abundant number, since it is smaller than the sum of its proper divisors (4397518816).

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

3113625440 is a wasteful number, since it uses less digits than its factorization.

3113625440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3113625440 is about 55799.8695338977. The cubic root of 3113625440 is about 1460.2328770958.

Adding to 3113625440 its reverse (445263113), we get a palindrome (3558888553).

The spelling of 3113625440 in words is "three billion, one hundred thirteen million, six hundred twenty-five thousand, four hundred forty".