5187220140 has 96 divisors (see below), whose sum is σ = 15045912000. Its totient is φ = 1333706752.

The previous prime is 5187220133. The next prime is 5187220141. The reversal of 5187220140 is 410227815.

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 = 5187220098 and 5187220107.

It is not an unprimeable number, because it can be changed into a prime (5187220141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1614856 + ... + 1618064.

It is an arithmetic number, because the mean of its divisors is an integer number (156728250).

Almost surely, 2^5187220140 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 5187220140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7522956000).

5187220140 is an abundant number, since it is smaller than the sum of its proper divisors (9858691860).

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

5187220140 is a wasteful number, since it uses less digits than its factorization.

5187220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 5187220140 is about 72022.3586117533. The cubic root of 5187220140 is about 1731.0577624740.

Adding to 5187220140 its reverse (410227815), we get a palindrome (5597447955).

The spelling of 5187220140 in words is "five billion, one hundred eighty-seven million, two hundred twenty thousand, one hundred forty".