5043903640 has 128 divisors (see below), whose sum is σ = 12072654720. Its totient is φ = 1893888000.

The previous prime is 5043903617. The next prime is 5043903649. The reversal of 5043903640 is 463093405.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5043903596 and 5043903605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5043903649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6128269 + ... + 6129091.

It is an arithmetic number, because the mean of its divisors is an integer number (94317615).

Almost surely, 2^5043903640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5043903640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6036327360).

5043903640 is an abundant number, since it is smaller than the sum of its proper divisors (7028751080).

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

5043903640 is a wasteful number, since it uses less digits than its factorization.

5043903640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 5043903640 is about 71020.4452253011. The cubic root of 5043903640 is about 1714.9663132608.

The spelling of 5043903640 in words is "five billion, forty-three million, nine hundred three thousand, six hundred forty".