441217157 has 8 divisors (see below), whose sum is σ = 444087072. Its totient is φ = 438354000.

The previous prime is 441217151. The next prime is 441217169. The reversal of 441217157 is 751712144.

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

It is a cyclic number.

It is not a de Polignac number, because 441217157 - 2¹⁶ = 441151621 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 (441217151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205982 + ... + 208112.

It is an arithmetic number, because the mean of its divisors is an integer number (55510884).

Almost surely, 2^441217157 is an apocalyptic number.

It is an amenable number.

441217157 is a deficient number, since it is larger than the sum of its proper divisors (2869915).

441217157 is a wasteful number, since it uses less digits than its factorization.

441217157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379.

The product of its digits is 7840, while the sum is 32.

The square root of 441217157 is about 21005.1697684165. The cubic root of 441217157 is about 761.2911783039.

The spelling of 441217157 in words is "four hundred forty-one million, two hundred seventeen thousand, one hundred fifty-seven".