450111020 has 12 divisors (see below), whose sum is σ = 945233184. Its totient is φ = 180044400.

The previous prime is 450111019. The next prime is 450111037. The reversal of 450111020 is 20111054.

It is a junction number, because it is equal to n+sod(n) for n = 450110986 and 450111004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11252756 + ... + 11252795.

It is an arithmetic number, because the mean of its divisors is an integer number (78769432).

Almost surely, 2^450111020 is an apocalyptic number.

It is an amenable number.

450111020 is an abundant number, since it is smaller than the sum of its proper divisors (495122164).

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

450111020 is a wasteful number, since it uses less digits than its factorization.

450111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22505560 (or 22505558 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 450111020 is about 21215.8200407149. The cubic root of 450111020 is about 766.3724462289.

Adding to 450111020 its reverse (20111054), we get a palindrome (470222074).

The spelling of 450111020 in words is "four hundred fifty million, one hundred eleven thousand, twenty".