415660442 has 8 divisors (see below), whose sum is σ = 640341876. Its totient is φ = 202213152.

The previous prime is 415660417. The next prime is 415660447. The reversal of 415660442 is 244066514.

It can be written as a sum of positive squares in 2 ways, for example, as 384512881 + 31147561 = 19609^2 + 5581^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 415660399 and 415660408.

It is not an unprimeable number, because it can be changed into a prime (415660447) 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, 2808443 + ... + 2808590.

Almost surely, 2^415660442 is an apocalyptic number.

415660442 is a deficient number, since it is larger than the sum of its proper divisors (224681434).

415660442 is a wasteful number, since it uses less digits than its factorization.

415660442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617072.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 415660442 is about 20387.7522547239. The cubic root of 415660442 is about 746.2990664568.

The spelling of 415660442 in words is "four hundred fifteen million, six hundred sixty thousand, four hundred forty-two".