3128758080 has 448 divisors, whose sum is σ = 12247400448. Its totient is φ = 660971520.

The previous prime is 3128758079. The next prime is 3128758091. The reversal of 3128758080 is 808578213.

It is a happy number.

3128758080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4791034 + ... + 4791686.

Almost surely, 2^3128758080 is an apocalyptic number.

3128758080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3128758080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6123700224).

3128758080 is an abundant number, since it is smaller than the sum of its proper divisors (9118642368).

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

3128758080 is a wasteful number, since it uses less digits than its factorization.

3128758080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 3128758080 is about 55935.3026272318. The cubic root of 3128758080 is about 1462.5946979371.

The spelling of 3128758080 in words is "three billion, one hundred twenty-eight million, seven hundred fifty-eight thousand, eighty".