404040226624 has 14 divisors (see below), whose sum is σ = 801767324834. Its totient is φ = 202020113280.

The previous prime is 404040226573. The next prime is 404040226631. The reversal of 404040226624 is 426622040404.

It can be written as a sum of positive squares in only one way, i.e., 299690553600 + 104349673024 = 547440^2 + 323032^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404040226624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156564207 + ... + 3156564334.

It is an arithmetic number, because the mean of its divisors is an integer number (57269094631).

Almost surely, 2^404040226624 is an apocalyptic number.

It is an amenable number.

404040226624 is a deficient number, since it is larger than the sum of its proper divisors (397727098210).

404040226624 is an equidigital number, since it uses as much as digits as its factorization.

404040226624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313128553 (or 6313128543 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 404040226624 in words is "four hundred four billion, forty million, two hundred twenty-six thousand, six hundred twenty-four".