450090671 has 4 divisors (see below), whose sum is σ = 450135000. Its totient is φ = 450046344.

The previous prime is 450090653. The next prime is 450090689. The reversal of 450090671 is 176090054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (450090653) and next prime (450090689).

It is a cyclic number.

It is not a de Polignac number, because 450090671 - 2¹⁸ = 449828527 is a prime.

It is a super-2 number, since 2×450090671² = 405163224242460482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450090871) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1460 + ... + 30038.

It is an arithmetic number, because the mean of its divisors is an integer number (112533750).

Almost surely, 2^450090671 is an apocalyptic number.

450090671 is a deficient number, since it is larger than the sum of its proper divisors (44329).

450090671 is a wasteful number, since it uses less digits than its factorization.

450090671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44328.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 450090671 is about 21215.3404639190. The cubic root of 450090671 is about 766.3608971168.

The spelling of 450090671 in words is "four hundred fifty million, ninety thousand, six hundred seventy-one".