40004408884 has 24 divisors (see below), whose sum is σ = 76523928768. Its totient is φ = 18147661440.

The previous prime is 40004408879. The next prime is 40004408887. The reversal of 40004408884 is 48880440004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004408887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881637 + ... + 925900.

It is an arithmetic number, because the mean of its divisors is an integer number (3188497032).

Almost surely, 2^40004408884 is an apocalyptic number.

40004408884 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40004408884 is a deficient number, since it is larger than the sum of its proper divisors (36519519884).

40004408884 is a wasteful number, since it uses less digits than its factorization.

40004408884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808055 (or 1808053 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

Adding to 40004408884 its reverse (48880440004), we get a palindrome (88884848888).

The spelling of 40004408884 in words is "forty billion, four million, four hundred eight thousand, eight hundred eighty-four".