3128263780 has 48 divisors (see below), whose sum is σ = 6702575040. Its totient is φ = 1226069888.

The previous prime is 3128263751. The next prime is 3128263781. The reversal of 3128263780 is 873628213.

It is not an unprimeable number, because it can be changed into a prime (3128263781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369879 + ... + 378241.

It is an arithmetic number, because the mean of its divisors is an integer number (139636980).

Almost surely, 2^3128263780 is an apocalyptic number.

It is an amenable number.

3128263780 is an abundant number, since it is smaller than the sum of its proper divisors (3574311260).

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

3128263780 is a wasteful number, since it uses less digits than its factorization.

3128263780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8748 (or 8746 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 3128263780 is about 55930.8839551102. The cubic root of 3128263780 is about 1462.5176707145.

The spelling of 3128263780 in words is "three billion, one hundred twenty-eight million, two hundred sixty-three thousand, seven hundred eighty".