8090277640 has 16 divisors (see below), whose sum is σ = 18203124780. Its totient is φ = 3236111040.

The previous prime is 8090277619. The next prime is 8090277677. The reversal of 8090277640 is 467720908.

It can be written as a sum of positive squares in 2 ways, for example, as 7782415524 + 307862116 = 88218^2 + 17546^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101128431 + ... + 101128510.

Almost surely, 2^8090277640 is an apocalyptic number.

It is an amenable number.

8090277640 is an abundant number, since it is smaller than the sum of its proper divisors (10112847140).

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

8090277640 is a wasteful number, since it uses less digits than its factorization.

8090277640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202256952 (or 202256948 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 8090277640 is about 89945.9706712869. The cubic root of 8090277640 is about 2007.4950139633.

The spelling of 8090277640 in words is "eight billion, ninety million, two hundred seventy-seven thousand, six hundred forty".