8120442070 has 64 divisors (see below), whose sum is σ = 16150337280. Its totient is φ = 2920756608.

The previous prime is 8120442023. The next prime is 8120442131. The reversal of 8120442070 is 702440218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2340477 + ... + 2343943.

It is an arithmetic number, because the mean of its divisors is an integer number (252349020).

Almost surely, 2^8120442070 is an apocalyptic number.

8120442070 is a deficient number, since it is larger than the sum of its proper divisors (8029895210).

8120442070 is a wasteful number, since it uses less digits than its factorization.

8120442070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 8120442070 is about 90113.4954931835. The cubic root of 8120442070 is about 2009.9868872027.

Adding to 8120442070 its reverse (702440218), we get a palindrome (8822882288).

The spelling of 8120442070 in words is "eight billion, one hundred twenty million, four hundred forty-two thousand, seventy".