5131224040 has 64 divisors (see below), whose sum is σ = 11959228800. Its totient is φ = 1979083008.

The previous prime is 5131224023. The next prime is 5131224061. The reversal of 5131224040 is 404221315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026427 + ... + 1031413.

It is an arithmetic number, because the mean of its divisors is an integer number (186862950).

Almost surely, 2^5131224040 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 5131224040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5979614400).

5131224040 is an abundant number, since it is smaller than the sum of its proper divisors (6828004760).

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

5131224040 is a wasteful number, since it uses less digits than its factorization.

5131224040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914 (or 5910 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5131224040 is about 71632.5627071934. The cubic root of 5131224040 is about 1724.8062839247.

Adding to 5131224040 its reverse (404221315), we get a palindrome (5535445355).

The spelling of 5131224040 in words is "five billion, one hundred thirty-one million, two hundred twenty-four thousand, forty".