5133054640 has 80 divisors (see below), whose sum is σ = 13667125248. Its totient is φ = 1756309248.

The previous prime is 5133054629. The next prime is 5133054643. The reversal of 5133054640 is 464503315.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (5133054643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272569 + ... + 290791.

Almost surely, 2^5133054640 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 5133054640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6833562624).

5133054640 is an abundant number, since it is smaller than the sum of its proper divisors (8534070608).

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

5133054640 is a wasteful number, since it uses less digits than its factorization.

5133054640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18746 (or 18740 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 5133054640 is about 71645.3392761874. The cubic root of 5133054640 is about 1725.0113717657.

Adding to 5133054640 its reverse (464503315), we get a palindrome (5597557955).

The spelling of 5133054640 in words is "five billion, one hundred thirty-three million, fifty-four thousand, six hundred forty".