450490836 has 48 divisors (see below), whose sum is σ = 1136394560. Its totient is φ = 138412800.

The previous prime is 450490829. The next prime is 450490847. The reversal of 450490836 is 638094054.

It is a junction number, because it is equal to n+sod(n) for n = 450490794 and 450490803.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18265 + ... + 35136.

Almost surely, 2^450490836 is an apocalyptic number.

It is an amenable number.

450490836 is an abundant number, since it is smaller than the sum of its proper divisors (685903724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450490836 is a wasteful number, since it uses less digits than its factorization.

450490836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53464 (or 53462 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 450490836 is about 21224.7693980406. The cubic root of 450490836 is about 766.5879476412.

The spelling of 450490836 in words is "four hundred fifty million, four hundred ninety thousand, eight hundred thirty-six".