416521442 has 8 divisors (see below), whose sum is σ = 627213996. Its totient is φ = 207450112.

The previous prime is 416521433. The next prime is 416521451. The reversal of 416521442 is 244125614.

It is an interprime number because it is at equal distance from previous prime (416521433) and next prime (416521451).

It can be written as a sum of positive squares in 2 ways, for example, as 402764761 + 13756681 = 20069^2 + 3709^2 .

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

It is a super-2 number, since 2×416521442² = 346980223291518728, which contains 22 as substring.

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, 404663 + ... + 405690.

Almost surely, 2^416521442 is an apocalyptic number.

416521442 is a deficient number, since it is larger than the sum of its proper divisors (210692554).

416521442 is a wasteful number, since it uses less digits than its factorization.

416521442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810612.

The product of its digits is 7680, while the sum is 29.

The square root of 416521442 is about 20408.8569498637. The cubic root of 416521442 is about 746.8140062747.

The spelling of 416521442 in words is "four hundred sixteen million, five hundred twenty-one thousand, four hundred forty-two".