417042418 has 8 divisors (see below), whose sum is σ = 673683948. Its totient is φ = 192481104.

The previous prime is 417042407. The next prime is 417042443. The reversal of 417042418 is 814240714.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 343991209 + 73051209 = 18547^2 + 8547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×417042418² = 347848756822573448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 417042418.

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, 8020021 + ... + 8020072.

Almost surely, 2^417042418 is an apocalyptic number.

417042418 is a deficient number, since it is larger than the sum of its proper divisors (256641530).

417042418 is a wasteful number, since it uses less digits than its factorization.

417042418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16040108.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 417042418 is about 20421.6164394496. The cubic root of 417042418 is about 747.1252428104.

The spelling of 417042418 in words is "four hundred seventeen million, forty-two thousand, four hundred eighteen".