404044040438 has 8 divisors (see below), whose sum is σ = 606149139432. Its totient is φ = 201994327296.

The previous prime is 404044040383. The next prime is 404044040453. The reversal of 404044040438 is 834040440404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×404044040438² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404044040398 and 404044040407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13828220 + ... + 13857407.

It is an arithmetic number, because the mean of its divisors is an integer number (75768642429).

Almost surely, 2^404044040438 is an apocalyptic number.

404044040438 is a deficient number, since it is larger than the sum of its proper divisors (202105098994).

404044040438 is a wasteful number, since it uses less digits than its factorization.

404044040438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27692926.

The product of its (nonzero) digits is 98304, while the sum is 35.

The spelling of 404044040438 in words is "four hundred four billion, forty-four million, forty thousand, four hundred thirty-eight".