4049799263640 has 256 divisors, whose sum is σ = 14576734972800. Its totient is φ = 994199795712.

The previous prime is 4049799263617. The next prime is 4049799263647. The reversal of 4049799263640 is 463629979404.

4049799263640 is a `hidden beast` number, since 4 + 0 + 497 + 99 + 26 + 36 + 4 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049799263647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4850262 + ... + 5623578.

Almost surely, 2^{4049799263640} is an apocalyptic number.

4049799263640 is a gapful number since it is divisible by the number (40) 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 4049799263640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7288367486400).

4049799263640 is an abundant number, since it is smaller than the sum of its proper divisors (10526935709160).

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

4049799263640 is a wasteful number, since it uses less digits than its factorization.

4049799263640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773723 (or 773713 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 4049799263640 in words is "four trillion, forty-nine billion, seven hundred ninety-nine million, two hundred sixty-three thousand, six hundred forty".