7128052190 has 16 divisors (see below), whose sum is σ = 14663421792. Its totient is φ = 2443903584.

The previous prime is 7128052181. The next prime is 7128052193. The reversal of 7128052190 is 912508217.

It is a super-2 number, since 2×7128052190² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7128052190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7128052193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50914589 + ... + 50914728.

It is an arithmetic number, because the mean of its divisors is an integer number (916463862).

Almost surely, 2^7128052190 is an apocalyptic number.

7128052190 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7128052190 is an abundant number, since it is smaller than the sum of its proper divisors (7535369602).

7128052190 is a wasteful number, since it uses less digits than its factorization.

7128052190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101829331.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 7128052190 is about 84427.7927580723. The cubic root of 7128052190 is about 1924.5252949899.

The spelling of 7128052190 in words is "seven billion, one hundred twenty-eight million, fifty-two thousand, one hundred ninety".