450240556 has 12 divisors (see below), whose sum is σ = 792755992. Its totient is φ = 223738848.

The previous prime is 450240547. The next prime is 450240569. The reversal of 450240556 is 655042054.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344625 + ... + 345928.

Almost surely, 2^450240556 is an apocalyptic number.

It is an amenable number.

450240556 is a deficient number, since it is larger than the sum of its proper divisors (342515436).

450240556 is a wasteful number, since it uses less digits than its factorization.

450240556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690720 (or 690718 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 450240556 is about 21218.8726373481. The cubic root of 450240556 is about 766.4459564632.

The spelling of 450240556 in words is "four hundred fifty million, two hundred forty thousand, five hundred fifty-six".