404335226145652 has 24 divisors (see below), whose sum is σ = 717323111990856. Its totient is φ = 199386101472768.

The previous prime is 404335226145637. The next prime is 404335226145671. The reversal of 404335226145652 is 256541622533404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1548148108516 + 402787078037136 = 1244246^2 + 20069556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404335226145652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37162753 + ... + 46794664.

It is an arithmetic number, because the mean of its divisors is an integer number (29888462999619).

Almost surely, 2^{404335226145652} is an apocalyptic number.

It is an amenable number.

404335226145652 is a deficient number, since it is larger than the sum of its proper divisors (312987885845204).

404335226145652 is a wasteful number, since it uses less digits than its factorization.

404335226145652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83973987 (or 83973985 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 52.

The spelling of 404335226145652 in words is "four hundred four trillion, three hundred thirty-five billion, two hundred twenty-six million, one hundred forty-five thousand, six hundred fifty-two".