450040117 has 4 divisors (see below), whose sum is σ = 452735136. Its totient is φ = 447345100.

The previous prime is 450040111. The next prime is 450040147. The reversal of 450040117 is 711040054.

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-450040117 is a prime.

It is a super-2 number, since 2×450040117² = 405072213818747378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450040111) 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, 1347259 + ... + 1347592.

It is an arithmetic number, because the mean of its divisors is an integer number (113183784).

Almost surely, 2^450040117 is an apocalyptic number.

It is an amenable number.

450040117 is a deficient number, since it is larger than the sum of its proper divisors (2695019).

450040117 is a wasteful number, since it uses less digits than its factorization.

450040117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695018.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 450040117 is about 21214.1489812813. The cubic root of 450040117 is about 766.3322035950.

The spelling of 450040117 in words is "four hundred fifty million, forty thousand, one hundred seventeen".