450686061 has 48 divisors (see below), whose sum is σ = 794327040. Its totient is φ = 240498720.

The previous prime is 450686057. The next prime is 450686069. The reversal of 450686061 is 160686054.

450686061 is a `hidden beast` number, since 45 + 0 + 6 + 8 + 606 + 1 = 666.

It is not a de Polignac number, because 450686061 - 2² = 450686057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450686069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82336 + ... + 87638.

It is an arithmetic number, because the mean of its divisors is an integer number (16548480).

Almost surely, 2^450686061 is an apocalyptic number.

It is an amenable number.

450686061 is a deficient number, since it is larger than the sum of its proper divisors (343640979).

450686061 is a wasteful number, since it uses less digits than its factorization.

450686061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406 (or 5403 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 450686061 is about 21229.3678897889. The cubic root of 450686061 is about 766.6986679984.

The spelling of 450686061 in words is "four hundred fifty million, six hundred eighty-six thousand, sixty-one".