5125520040 has 32 divisors (see below), whose sum is σ = 15376560480. Its totient is φ = 1366805312.

The previous prime is 5125519969. The next prime is 5125520041. The reversal of 5125520040 is 400255215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (5125520041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21356214 + ... + 21356453.

It is an arithmetic number, because the mean of its divisors is an integer number (480517515).

Almost surely, 2^5125520040 is an apocalyptic number.

It is an amenable number.

5125520040 is an abundant number, since it is smaller than the sum of its proper divisors (10251040440).

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

5125520040 is a wasteful number, since it uses less digits than its factorization.

5125520040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42712681 (or 42712677 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5125520040 is about 71592.7373411577. The cubic root of 5125520040 is about 1724.1669340204.

Adding to 5125520040 its reverse (400255215), we get a palindrome (5525775255).

The spelling of 5125520040 in words is "five billion, one hundred twenty-five million, five hundred twenty thousand, forty".