5134521440 has 24 divisors (see below), whose sum is σ = 12130307280. Its totient is φ = 2053808512.

The previous prime is 5134521419. The next prime is 5134521443. The reversal of 5134521440 is 441254315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5134521443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16045220 + ... + 16045539.

It is an arithmetic number, because the mean of its divisors is an integer number (505429470).

Almost surely, 2^5134521440 is an apocalyptic number.

It is an amenable number.

5134521440 is an abundant number, since it is smaller than the sum of its proper divisors (6995785840).

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

5134521440 is a wasteful number, since it uses less digits than its factorization.

5134521440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32090774 (or 32090766 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 5134521440 is about 71655.5750796824. The cubic root of 5134521440 is about 1725.1756667703.

Adding to 5134521440 its reverse (441254315), we get a palindrome (5575775755).

The spelling of 5134521440 in words is "five billion, one hundred thirty-four million, five hundred twenty-one thousand, four hundred forty".