863016040 has 16 divisors (see below), whose sum is σ = 1941786180. Its totient is φ = 345206400.

The previous prime is 863016029. The next prime is 863016059. The reversal of 863016040 is 40610368.

It can be written as a sum of positive squares in 2 ways, for example, as 726733764 + 136282276 = 26958^2 + 11674^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10787661 + ... + 10787740.

Almost surely, 2^863016040 is an apocalyptic number.

It is an amenable number.

863016040 is an abundant number, since it is smaller than the sum of its proper divisors (1078770140).

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

863016040 is a wasteful number, since it uses less digits than its factorization.

863016040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21575412 (or 21575408 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 863016040 is about 29377.1346458432. The cubic root of 863016040 is about 952.0789338548.

The spelling of 863016040 in words is "eight hundred sixty-three million, sixteen thousand, forty".