633230040 has 64 divisors (see below), whose sum is σ = 1943884800. Its totient is φ = 164932992.

The previous prime is 633230023. The next prime is 633230041. The reversal of 633230040 is 40032336.

It is a junction number, because it is equal to n+sod(n) for n = 633229989 and 633230016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633230041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56200 + ... + 66519.

It is an arithmetic number, because the mean of its divisors is an integer number (30373200).

Almost surely, 2^633230040 is an apocalyptic number.

633230040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

633230040 is an abundant number, since it is smaller than the sum of its proper divisors (1310654760).

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

633230040 is a wasteful number, since it uses less digits than its factorization.

633230040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122776 (or 122772 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 633230040 is about 25164.0624701180. The cubic root of 633230040 is about 858.7244656782.

Adding to 633230040 its reverse (40032336), we get a palindrome (673262376).

The spelling of 633230040 in words is "six hundred thirty-three million, two hundred thirty thousand, forty".