8436272820 has 48 divisors (see below), whose sum is σ = 23702232960. Its totient is φ = 2241990016.

The previous prime is 8436272809. The next prime is 8436272837. The reversal of 8436272820 is 282726348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222360 + ... + 257519.

It is an arithmetic number, because the mean of its divisors is an integer number (493796520).

Almost surely, 2^8436272820 is an apocalyptic number.

It is an amenable number.

8436272820 is an abundant number, since it is smaller than the sum of its proper divisors (15265960140).

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

8436272820 is a wasteful number, since it uses less digits than its factorization.

8436272820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480184 (or 480182 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 8436272820 is about 91849.1851896357. The cubic root of 8436272820 is about 2035.7145090234.

The spelling of 8436272820 in words is "eight billion, four hundred thirty-six million, two hundred seventy-two thousand, eight hundred twenty".