40884435869 has 4 divisors (see below), whose sum is σ = 41064543744. Its totient is φ = 40704327996.

The previous prime is 40884435773. The next prime is 40884435877. The reversal of 40884435869 is 96853448804.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40884435869 is a prime.

It is a super-2 number, since 2×40884435869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40884435899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90053597 + ... + 90054050.

It is an arithmetic number, because the mean of its divisors is an integer number (10266135936).

Almost surely, 2^40884435869 is an apocalyptic number.

It is an amenable number.

40884435869 is a deficient number, since it is larger than the sum of its proper divisors (180107875).

40884435869 is a wasteful number, since it uses less digits than its factorization.

40884435869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180107874.

The product of its (nonzero) digits is 26542080, while the sum is 59.

The spelling of 40884435869 in words is "forty billion, eight hundred eighty-four million, four hundred thirty-five thousand, eight hundred sixty-nine".