632634264 has 72 divisors (see below), whose sum is σ = 1756529580. Its totient is φ = 205695360.

The previous prime is 632634263. The next prime is 632634271. The reversal of 632634264 is 462436236.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×632634264² = 800452223973643392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632634263) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 118419 + ... + 123645.

Almost surely, 2^632634264 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 632634264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878264790).

632634264 is an abundant number, since it is smaller than the sum of its proper divisors (1123895316).

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

632634264 is a wasteful number, since it uses less digits than its factorization.

632634264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321 (or 5273 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 632634264 is about 25152.2218501666. The cubic root of 632634264 is about 858.4550701832.

The spelling of 632634264 in words is "six hundred thirty-two million, six hundred thirty-four thousand, two hundred sixty-four".