8040651049 has 4 divisors (see below), whose sum is σ = 8094615300. Its totient is φ = 7986686800.

The previous prime is 8040651043. The next prime is 8040651083. The reversal of 8040651049 is 9401560408.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4116505600 + 3924145449 = 64160^2 + 62643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8040651049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8040650999 and 8040651017.

It is not an unprimeable number, because it can be changed into a prime (8040651043) by changing a digit.

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, 26981902 + ... + 26982199.

It is an arithmetic number, because the mean of its divisors is an integer number (2023653825).

Almost surely, 2^8040651049 is an apocalyptic number.

It is an amenable number.

8040651049 is a deficient number, since it is larger than the sum of its proper divisors (53964251).

8040651049 is a wasteful number, since it uses less digits than its factorization.

8040651049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53964250.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 8040651049 is about 89669.6774221922. The cubic root of 8040651049 is about 2003.3818656857.

The spelling of 8040651049 in words is "eight billion, forty million, six hundred fifty-one thousand, forty-nine".