5115031240 has 64 divisors (see below), whose sum is σ = 12651059520. Its totient is φ = 1845792000.

The previous prime is 5115031199. The next prime is 5115031241. The reversal of 5115031240 is 421305115.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (5115031241) 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, 13270 + ... + 102010.

It is an arithmetic number, because the mean of its divisors is an integer number (197672805).

Almost surely, 2^5115031240 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 5115031240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6325529760).

5115031240 is an abundant number, since it is smaller than the sum of its proper divisors (7536028280).

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

5115031240 is a wasteful number, since it uses less digits than its factorization.

5115031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88894 (or 88890 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5115031240 is about 71519.4465862258. The cubic root of 5115031240 is about 1722.9900263138.

Adding to 5115031240 its reverse (421305115), we get a palindrome (5536336355).

The spelling of 5115031240 in words is "five billion, one hundred fifteen million, thirty-one thousand, two hundred forty".