5051440 has 40 divisors (see below), whose sum is σ = 11838528. Its totient is φ = 2004480.

The previous prime is 5051413. The next prime is 5051443. The reversal of 5051440 is 441505.

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 (5051443) 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, 18505 + ... + 18775.

Almost surely, 2^5051440 is an apocalyptic number.

It is an amenable number.

5051440 is an abundant number, since it is smaller than the sum of its proper divisors (6787088).

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

5051440 is a wasteful number, since it uses less digits than its factorization.

5051440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5051440 is about 2247.5408783824. The cubic root of 5051440 is about 171.5820028470.

Adding to 5051440 its reverse (441505), we get a palindrome (5492945).

The spelling of 5051440 in words is "five million, fifty-one thousand, four hundred forty".