450272427 has 32 divisors (see below), whose sum is σ = 684343296. Its totient is φ = 260858400.

The previous prime is 450272423. The next prime is 450272441. The reversal of 450272427 is 724272054.

It is a happy number.

It is not a de Polignac number, because 450272427 - 2² = 450272423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (450272423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82258 + ... + 87560.

It is an arithmetic number, because the mean of its divisors is an integer number (21385728).

Almost surely, 2^450272427 is an apocalyptic number.

450272427 is a deficient number, since it is larger than the sum of its proper divisors (234070869).

450272427 is a wasteful number, since it uses less digits than its factorization.

450272427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 450272427 is about 21219.6236300270. The cubic root of 450272427 is about 766.4640407387.

The spelling of 450272427 in words is "four hundred fifty million, two hundred seventy-two thousand, four hundred twenty-seven".