40995579184821 has 40 divisors (see below), whose sum is σ = 65520262412000. Its totient is φ = 25467486579360.

The previous prime is 40995579184817. The next prime is 40995579184841. The reversal of 40995579184821 is 12848197559904.

40995579184821 is a `hidden beast` number, since 4 + 0 + 9 + 9 + 5 + 57 + 91 + 8 + 482 + 1 = 666.

40995579184821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40995579184821 - 2² = 40995579184817 is a prime.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40995579184821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40995579184801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 218248771 + ... + 218436528.

It is an arithmetic number, because the mean of its divisors is an integer number (1638006560300).

Almost surely, 2^{40995579184821} is an apocalyptic number.

It is an amenable number.

40995579184821 is a deficient number, since it is larger than the sum of its proper divisors (24524683227179).

40995579184821 is a wasteful number, since it uses less digits than its factorization.

40995579184821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436685391 (or 436685382 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 72.

The spelling of 40995579184821 in words is "forty trillion, nine hundred ninety-five billion, five hundred seventy-nine million, one hundred eighty-four thousand, eight hundred twenty-one".