3138224540 has 36 divisors (see below), whose sum is σ = 7243857768. Its totient is φ = 1141171680.

The previous prime is 3138224539. The next prime is 3138224561. The reversal of 3138224540 is 454228313.

It is a junction number, because it is equal to n+sod(n) for n = 3138224497 and 3138224506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 645974 + ... + 650813.

Almost surely, 2^3138224540 is an apocalyptic number.

It is an amenable number.

3138224540 is an abundant number, since it is smaller than the sum of its proper divisors (4105633228).

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

3138224540 is a wasteful number, since it uses less digits than its factorization.

3138224540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296818 (or 1296805 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 3138224540 is about 56019.8584432342. The cubic root of 3138224540 is about 1464.0683022022.

The spelling of 3138224540 in words is "three billion, one hundred thirty-eight million, two hundred twenty-four thousand, five hundred forty".