3117419840 has 28 divisors (see below), whose sum is σ = 7423356756. Its totient is φ = 1246967808.

The previous prime is 3117419831. The next prime is 3117419849. The reversal of 3117419840 is 489147113.

It is an interprime number because it is at equal distance from previous prime (3117419831) and next prime (3117419849).

It can be written as a sum of positive squares in 2 ways, for example, as 2464923904 + 652495936 = 49648^2 + 25544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3117419794 and 3117419803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117419849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4870649 + ... + 4871288.

Almost surely, 2^3117419840 is an apocalyptic number.

It is an amenable number.

3117419840 is an abundant number, since it is smaller than the sum of its proper divisors (4305936916).

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

3117419840 is an equidigital number, since it uses as much as digits as its factorization.

3117419840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9741954 (or 9741944 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 3117419840 is about 55833.8592612046. The cubic root of 3117419840 is about 1460.8258041666.

The spelling of 3117419840 in words is "three billion, one hundred seventeen million, four hundred nineteen thousand, eight hundred forty".