415839945 has 8 divisors (see below), whose sum is σ = 665343936. Its totient is φ = 221781296.

The previous prime is 415839899. The next prime is 415839967. The reversal of 415839945 is 549938514.

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 415839945 - 2¹⁶ = 415774409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 415839894 and 415839903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13861317 + ... + 13861346.

It is an arithmetic number, because the mean of its divisors is an integer number (83167992).

Almost surely, 2^415839945 is an apocalyptic number.

It is an amenable number.

415839945 is a deficient number, since it is larger than the sum of its proper divisors (249503991).

415839945 is a wasteful number, since it uses less digits than its factorization.

415839945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27722671.

The product of its digits is 777600, while the sum is 48.

The square root of 415839945 is about 20392.1540058916. The cubic root of 415839945 is about 746.4064807694.

The spelling of 415839945 in words is "four hundred fifteen million, eight hundred thirty-nine thousand, nine hundred forty-five".