8040147305 has 4 divisors (see below), whose sum is σ = 9648176772. Its totient is φ = 6432117840.

The previous prime is 8040147299. The next prime is 8040147371. The reversal of 8040147305 is 5037410408.

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 1836379609 + 6203767696 = 42853^2 + 78764^2 .

It is not a de Polignac number, because 8040147305 - 2¹⁶ = 8040081769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804014726 + ... + 804014735.

It is an arithmetic number, because the mean of its divisors is an integer number (2412044193).

Almost surely, 2^8040147305 is an apocalyptic number.

It is an amenable number.

8040147305 is a deficient number, since it is larger than the sum of its proper divisors (1608029467).

8040147305 is a wasteful number, since it uses less digits than its factorization.

8040147305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608029466.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 8040147305 is about 89666.8684910988. The cubic root of 8040147305 is about 2003.3400277523.

The spelling of 8040147305 in words is "eight billion, forty million, one hundred forty-seven thousand, three hundred five".