8128040070 has 16 divisors (see below), whose sum is σ = 19507296240. Its totient is φ = 2167477344.

The previous prime is 8128040059. The next prime is 8128040093. The reversal of 8128040070 is 700408218.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 270934669 = 8128040070 / (8 + 1 + 2 + 8 + 0 + 4 + 0 + 0 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135467305 + ... + 135467364.

It is an arithmetic number, because the mean of its divisors is an integer number (1219206015).

Almost surely, 2^8128040070 is an apocalyptic number.

8128040070 is an abundant number, since it is smaller than the sum of its proper divisors (11379256170).

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

8128040070 is a wasteful number, since it uses less digits than its factorization.

8128040070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270934679.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 8128040070 is about 90155.6435837491. The cubic root of 8128040070 is about 2010.6135821371.

Adding to 8128040070 its reverse (700408218), we get a palindrome (8828448288).

The spelling of 8128040070 in words is "eight billion, one hundred twenty-eight million, forty thousand, seventy".