633641416040 has 32 divisors (see below), whose sum is σ = 1426187278080. Its totient is φ = 253368727872.

The previous prime is 633641416039. The next prime is 633641416061. The reversal of 633641416040 is 40614146336.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 633641415985 and 633641416003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2628032 + ... + 2858991.

It is an arithmetic number, because the mean of its divisors is an integer number (44568352440).

Almost surely, 2^633641416040 is an apocalyptic number.

It is an amenable number.

633641416040 is an abundant number, since it is smaller than the sum of its proper divisors (792545862040).

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

633641416040 is a wasteful number, since it uses less digits than its factorization.

633641416040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489921 (or 5489917 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 633641416040 in words is "six hundred thirty-three billion, six hundred forty-one million, four hundred sixteen thousand, forty".