5040251440 has 80 divisors (see below), whose sum is σ = 13522848768. Its totient is φ = 1711289088.

The previous prime is 5040251423. The next prime is 5040251479. The reversal of 5040251440 is 441520405.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13989 + ... + 101371.

Almost surely, 2^5040251440 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 5040251440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6761424384).

5040251440 is an abundant number, since it is smaller than the sum of its proper divisors (8482597328).

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

5040251440 is a wasteful number, since it uses less digits than its factorization.

5040251440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87506 (or 87500 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 5040251440 is about 70994.7282549909. The cubic root of 5040251440 is about 1714.5522878839.

Adding to 5040251440 its reverse (441520405), we get a palindrome (5481771845).

The spelling of 5040251440 in words is "five billion, forty million, two hundred fifty-one thousand, four hundred forty".