450040118 has 16 divisors (see below), whose sum is σ = 775189440. Its totient is φ = 193797000.

The previous prime is 450040111. The next prime is 450040147. The reversal of 450040118 is 811040054.

It is a super-2 number, since 2×450040118² = 405072215618907848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450040093 and 450040102.

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 7 ways as a sum of consecutive naturals, for example, 537908 + ... + 538743.

It is an arithmetic number, because the mean of its divisors is an integer number (48449340).

Almost surely, 2^450040118 is an apocalyptic number.

450040118 is a deficient number, since it is larger than the sum of its proper divisors (325149322).

450040118 is a wasteful number, since it uses less digits than its factorization.

450040118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076683.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 450040118 is about 21214.1490048505. The cubic root of 450040118 is about 766.3322041626.

The spelling of 450040118 in words is "four hundred fifty million, forty thousand, one hundred eighteen".