417552406864 has 20 divisors (see below), whose sum is σ = 822270212980. Its totient is φ = 205353642240.

The previous prime is 417552406823. The next prime is 417552406907. The reversal of 417552406864 is 468604255714.

It can be written as a sum of positive squares in 2 ways, for example, as 163830657600 + 253721749264 = 404760^2 + 503708^2 .

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, 213909069 + ... + 213911020.

It is an arithmetic number, because the mean of its divisors is an integer number (41113510649).

Almost surely, 2^417552406864 is an apocalyptic number.

It is an amenable number.

417552406864 is a deficient number, since it is larger than the sum of its proper divisors (404717806116).

417552406864 is a wasteful number, since it uses less digits than its factorization.

417552406864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427820158 (or 427820152 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 417552406864 in words is "four hundred seventeen billion, five hundred fifty-two million, four hundred six thousand, eight hundred sixty-four".