63273000450 has 96 divisors (see below), whose sum is σ = 171251985600. Its totient is φ = 15332659200.

The previous prime is 63273000449. The next prime is 63273000467. The reversal of 63273000450 is 5400037236.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5024562 + ... + 5037138.

It is an arithmetic number, because the mean of its divisors is an integer number (1783874850).

Almost surely, 2^63273000450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63273000450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85625992800).

63273000450 is an abundant number, since it is smaller than the sum of its proper divisors (107978985150).

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

63273000450 is a wasteful number, since it uses less digits than its factorization.

63273000450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15652 (or 15647 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

Adding to 63273000450 its reverse (5400037236), we get a palindrome (68673037686).

The spelling of 63273000450 in words is "sixty-three billion, two hundred seventy-three million, four hundred fifty", and thus it is an aban number.