450990273465 has 48 divisors (see below), whose sum is σ = 784731584208. Its totient is φ = 239601950208.

The previous prime is 450990273413. The next prime is 450990273551. The reversal of 450990273465 is 564372099054.

450990273465 is a `hidden beast` number, since 4 + 509 + 9 + 0 + 2 + 73 + 4 + 65 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 76156129296 + 374834144169 = 275964^2 + 612237^2 .

It is not a de Polignac number, because 450990273465 - 2⁷ = 450990273337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14705127 + ... + 14735763.

It is an arithmetic number, because the mean of its divisors is an integer number (16348574671).

Almost surely, 2^450990273465 is an apocalyptic number.

450990273465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

450990273465 is a deficient number, since it is larger than the sum of its proper divisors (333741310743).

450990273465 is a wasteful number, since it uses less digits than its factorization.

450990273465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31898 (or 31895 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 450990273465 in words is "four hundred fifty billion, nine hundred ninety million, two hundred seventy-three thousand, four hundred sixty-five".