10040581836 has 36 divisors (see below), whose sum is σ = 25387853400. Its totient is φ = 3345872448.

The previous prime is 10040581807. The next prime is 10040581843. The reversal of 10040581836 is 63818504001.

10040581836 is a `hidden beast` number, since 1 + 0 + 0 + 40 + 581 + 8 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 10040581836.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 88000 + ... + 166808.

It is an arithmetic number, because the mean of its divisors is an integer number (705218150).

Almost surely, 2^10040581836 is an apocalyptic number.

It is an amenable number.

10040581836 is an abundant number, since it is smaller than the sum of its proper divisors (15347271564).

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

10040581836 is a wasteful number, since it uses less digits than its factorization.

10040581836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82358 (or 82353 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 10040581836 in words is "ten billion, forty million, five hundred eighty-one thousand, eight hundred thirty-six".