5132515440 has 160 divisors (see below), whose sum is σ = 17208898560. Its totient is φ = 1257919488.

The previous prime is 5132515351. The next prime is 5132515447. The reversal of 5132515440 is 445152315.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5132515398 and 5132515407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5132515447) 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, 742239 + ... + 749121.

It is an arithmetic number, because the mean of its divisors is an integer number (107555616).

Almost surely, 2^5132515440 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 5132515440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8604449280).

5132515440 is an abundant number, since it is smaller than the sum of its proper divisors (12076383120).

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

5132515440 is a wasteful number, since it uses less digits than its factorization.

5132515440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151 (or 7145 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5132515440 is about 71641.5761970659. The cubic root of 5132515440 is about 1724.9509685706.

Adding to 5132515440 its reverse (445152315), we get a palindrome (5577667755).

The spelling of 5132515440 in words is "five billion, one hundred thirty-two million, five hundred fifteen thousand, four hundred forty".