5001431440 has 40 divisors (see below), whose sum is σ = 11631275640. Its totient is φ = 2000065536.

The previous prime is 5001431429. The next prime is 5001431441. The reversal of 5001431440 is 441341005.

It can be written as a sum of positive squares in 4 ways, for example, as 461906064 + 4539525376 = 21492^2 + 67376^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (5001431441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589146 + ... + 597574.

It is an arithmetic number, because the mean of its divisors is an integer number (290781891).

Almost surely, 2^5001431440 is an apocalyptic number.

It is an amenable number.

5001431440 is an abundant number, since it is smaller than the sum of its proper divisors (6629844200).

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

5001431440 is a wasteful number, since it uses less digits than its factorization.

5001431440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15859 (or 15853 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5001431440 is about 70720.7992036289. The cubic root of 5001431440 is about 1710.1391129714.

Adding to 5001431440 its reverse (441341005), we get a palindrome (5442772445).

The spelling of 5001431440 in words is "five billion, one million, four hundred thirty-one thousand, four hundred forty".