407800223618 has 6 divisors (see below), whose sum is σ = 611701690089. Its totient is φ = 203899660256.

The previous prime is 407800223603. The next prime is 407800223627. The reversal of 407800223618 is 816322008704.

It can be written as a sum of positive squares in 2 ways, for example, as 289899326929 + 117900896689 = 538423^2 + 343367^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=451553.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 677330 + ... + 1128882.

Almost surely, 2^407800223618 is an apocalyptic number.

407800223618 is a deficient number, since it is larger than the sum of its proper divisors (203901466471).

407800223618 is an frugal number, since it uses more digits than its factorization.

407800223618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903108 (or 451555 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 407800223618 in words is "four hundred seven billion, eight hundred million, two hundred twenty-three thousand, six hundred eighteen".