450261272 has 8 divisors (see below), whose sum is σ = 844239900. Its totient is φ = 225130632.

The previous prime is 450261247. The next prime is 450261347. The reversal of 450261272 is 272162054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28141322 + ... + 28141337.

Almost surely, 2^450261272 is an apocalyptic number.

It is an amenable number.

450261272 is a deficient number, since it is larger than the sum of its proper divisors (393978628).

450261272 is a wasteful number, since it uses less digits than its factorization.

450261272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56282665 (or 56282661 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 450261272 is about 21219.3607820782. The cubic root of 450261272 is about 766.4577112542.

The spelling of 450261272 in words is "four hundred fifty million, two hundred sixty-one thousand, two hundred seventy-two".