3180063728 has 20 divisors (see below), whose sum is σ = 6206351280. Its totient is φ = 1578424704.

The previous prime is 3180063727. The next prime is 3180063749. The reversal of 3180063728 is 8273600813.

It is a happy number.

It is a super-2 number, since 2×3180063728² = 20225610628282515968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3180063691 and 3180063700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3180063727) 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, 723188 + ... + 727571.

It is an arithmetic number, because the mean of its divisors is an integer number (310317564).

Almost surely, 2^3180063728 is an apocalyptic number.

It is an amenable number.

3180063728 is a deficient number, since it is larger than the sum of its proper divisors (3026287552).

3180063728 is a wasteful number, since it uses less digits than its factorization.

3180063728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450904 (or 1450898 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 3180063728 is about 56392.0537664661. The cubic root of 3180063728 is about 1470.5459782576.

The spelling of 3180063728 in words is "three billion, one hundred eighty million, sixty-three thousand, seven hundred twenty-eight".