8051236436 has 24 divisors (see below), whose sum is σ = 14323354080. Its totient is φ = 3959046432.

The previous prime is 8051236423. The next prime is 8051236439. The reversal of 8051236436 is 6346321508.

It is a self number, because there is not a number n which added to its sum of digits gives 8051236436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8051236439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141626 + ... + 190158.

It is an arithmetic number, because the mean of its divisors is an integer number (596806420).

Almost surely, 2^8051236436 is an apocalyptic number.

It is an amenable number.

8051236436 is a deficient number, since it is larger than the sum of its proper divisors (6272117644).

8051236436 is a wasteful number, since it uses less digits than its factorization.

8051236436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49223 (or 49221 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 8051236436 is about 89728.6823485111. The cubic root of 8051236436 is about 2004.2606201129.

The spelling of 8051236436 in words is "eight billion, fifty-one million, two hundred thirty-six thousand, four hundred thirty-six".