416042557 has 4 divisors (see below), whose sum is σ = 475477216. Its totient is φ = 356607900.

The previous prime is 416042521. The next prime is 416042567. The reversal of 416042557 is 755240614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-416042557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416042567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29717319 + ... + 29717332.

It is an arithmetic number, because the mean of its divisors is an integer number (118869304).

Almost surely, 2^416042557 is an apocalyptic number.

It is an amenable number.

416042557 is a deficient number, since it is larger than the sum of its proper divisors (59434659).

416042557 is an equidigital number, since it uses as much as digits as its factorization.

416042557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59434658.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 416042557 is about 20397.1212919863. The cubic root of 416042557 is about 746.5276863412.

The spelling of 416042557 in words is "four hundred sixteen million, forty-two thousand, five hundred fifty-seven".