2633944768 has 168 divisors, whose sum is σ = 6812401920. Its totient is φ = 986618880.

The previous prime is 2633944757. The next prime is 2633944771. The reversal of 2633944768 is 8674493362.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1437613 + ... + 1439443.

Almost surely, 2^2633944768 is an apocalyptic number.

2633944768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2633944768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3406200960).

2633944768 is an abundant number, since it is smaller than the sum of its proper divisors (4178457152).

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

2633944768 is a wasteful number, since it uses less digits than its factorization.

2633944768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895 (or 1872 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 52.

The square root of 2633944768 is about 51321.9715911226. The cubic root of 2633944768 is about 1381.0271649750.

The spelling of 2633944768 in words is "two billion, six hundred thirty-three million, nine hundred forty-four thousand, seven hundred sixty-eight".