632224240 has 40 divisors (see below), whose sum is σ = 1547289360. Its totient is φ = 239579136.

The previous prime is 632224211. The next prime is 632224247. The reversal of 632224240 is 42422236.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632224247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206449 + ... + 209488.

It is an arithmetic number, because the mean of its divisors is an integer number (38682234).

Almost surely, 2^632224240 is an apocalyptic number.

It is an amenable number.

632224240 is an abundant number, since it is smaller than the sum of its proper divisors (915065120).

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

632224240 is a wasteful number, since it uses less digits than its factorization.

632224240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415969 (or 415963 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 632224240 is about 25144.0696785544. The cubic root of 632224240 is about 858.2695689794.

Adding to 632224240 its reverse (42422236), we get a palindrome (674646476).

The spelling of 632224240 in words is "six hundred thirty-two million, two hundred twenty-four thousand, two hundred forty".