633450132 has 120 divisors (see below), whose sum is σ = 1957992960. Its totient is φ = 174726720.

The previous prime is 633450119. The next prime is 633450133. The reversal of 633450132 is 231054336.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 633450096 and 633450105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633450133) 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, 60957 + ... + 70587.

It is an arithmetic number, because the mean of its divisors is an integer number (16316608).

Almost surely, 2^633450132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 633450132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978996480).

633450132 is an abundant number, since it is smaller than the sum of its proper divisors (1324542828).

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

633450132 is a wasteful number, since it uses less digits than its factorization.

633450132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683 (or 9672 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 633450132 is about 25168.4352314561. The cubic root of 633450132 is about 858.8239432143.

The spelling of 633450132 in words is "six hundred thirty-three million, four hundred fifty thousand, one hundred thirty-two".