450272428 has 12 divisors (see below), whose sum is σ = 799738072. Its totient is φ = 221775840.

The previous prime is 450272423. The next prime is 450272441. The reversal of 450272428 is 824272054.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 450272393 and 450272402.

It is not an unprimeable number, because it can be changed into a prime (450272423) 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, 839793 + ... + 840328.

Almost surely, 2^450272428 is an apocalyptic number.

It is an amenable number.

450272428 is a deficient number, since it is larger than the sum of its proper divisors (349465644).

450272428 is a wasteful number, since it uses less digits than its factorization.

450272428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680192 (or 1680190 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 450272428 is about 21219.6236535901. The cubic root of 450272428 is about 766.4640413061.

The spelling of 450272428 in words is "four hundred fifty million, two hundred seventy-two thousand, four hundred twenty-eight".