417242655 has 24 divisors (see below), whose sum is σ = 754666848. Its totient is φ = 212853696.

The previous prime is 417242629. The next prime is 417242677. The reversal of 417242655 is 556242714.

It is a happy number.

It is not a de Polignac number, because 417242655 - 2¹⁰ = 417241631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200532 + ... + 202601.

It is an arithmetic number, because the mean of its divisors is an integer number (31444452).

Almost surely, 2^417242655 is an apocalyptic number.

417242655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

417242655 is a deficient number, since it is larger than the sum of its proper divisors (337424193).

417242655 is a wasteful number, since it uses less digits than its factorization.

417242655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403167 (or 403164 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 417242655 is about 20426.5184258111. The cubic root of 417242655 is about 747.2447975400.

The spelling of 417242655 in words is "four hundred seventeen million, two hundred forty-two thousand, six hundred fifty-five".