8040739812 has 24 divisors (see below), whose sum is σ = 21441973056. Its totient is φ = 2297354208.

The previous prime is 8040739787. The next prime is 8040739831. The reversal of 8040739812 is 2189370408.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47861463 + ... + 47861630.

It is an arithmetic number, because the mean of its divisors is an integer number (893415544).

Almost surely, 2^8040739812 is an apocalyptic number.

It is an amenable number.

8040739812 is an abundant number, since it is smaller than the sum of its proper divisors (13401233244).

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

8040739812 is a wasteful number, since it uses less digits than its factorization.

8040739812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95723107 (or 95723105 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 8040739812 is about 89670.1723651739. The cubic root of 8040739812 is about 2003.3892376232.

The spelling of 8040739812 in words is "eight billion, forty million, seven hundred thirty-nine thousand, eight hundred twelve".