5000009940 has 72 divisors (see below), whose sum is σ = 15197364000. Its totient is φ = 1330640064.

The previous prime is 5000009921. The next prime is 5000009941. The reversal of 5000009940 is 499000005.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5000009941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61987 + ... + 117653.

It is an arithmetic number, because the mean of its divisors is an integer number (211074500).

Almost surely, 2^5000009940 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 5000009940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7598682000).

5000009940 is an abundant number, since it is smaller than the sum of its proper divisors (10197354060).

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

5000009940 is a wasteful number, since it uses less digits than its factorization.

5000009940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56181 (or 56176 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 5000009940 is about 70710.7484050339. The cubic root of 5000009940 is about 1709.9770798200.

Adding to 5000009940 its reverse (499000005), we get a palindrome (5499009945).

The spelling of 5000009940 in words is "five billion, nine thousand, nine hundred forty".