40818820924 has 24 divisors (see below), whose sum is σ = 85934360960. Its totient is φ = 16573054896.

The previous prime is 40818820919. The next prime is 40818820927. The reversal of 40818820924 is 42902881804.

It is a super-2 number, since 2×40818820924² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40818820927) 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, 38363022 + ... + 38364085.

Almost surely, 2^40818820924 is an apocalyptic number.

It is an amenable number.

40818820924 is an abundant number, since it is smaller than the sum of its proper divisors (45115540036).

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

40818820924 is a wasteful number, since it uses less digits than its factorization.

40818820924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76727137 (or 76727135 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 40818820924 in words is "forty billion, eight hundred eighteen million, eight hundred twenty thousand, nine hundred twenty-four".