450550026 has 80 divisors (see below), whose sum is σ = 1037076480. Its totient is φ = 146149920.

The previous prime is 450549989. The next prime is 450550027. The reversal of 450550026 is 620055054.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (450550027) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1254835 + ... + 1255193.

It is an arithmetic number, because the mean of its divisors is an integer number (12963456).

Almost surely, 2^450550026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450550026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518538240).

450550026 is an abundant number, since it is smaller than the sum of its proper divisors (586526454).

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

450550026 is a wasteful number, since it uses less digits than its factorization.

450550026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 450550026 is about 21226.1637136813. The cubic root of 450550026 is about 766.6215201729.

The spelling of 450550026 in words is "four hundred fifty million, five hundred fifty thousand, twenty-six".