5240015440 has 40 divisors (see below), whose sum is σ = 13290586848. Its totient is φ = 1905459840.

The previous prime is 5240015413. The next prime is 5240015471. The reversal of 5240015440 is 445100425.

It is a happy number.

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

It is a super-2 number, since 2×5240015440² = 54915523622876787200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2976402 + ... + 2978161.

Almost surely, 2^5240015440 is an apocalyptic number.

It is an amenable number.

5240015440 is an abundant number, since it is smaller than the sum of its proper divisors (8050571408).

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

5240015440 is a wasteful number, since it uses less digits than its factorization.

5240015440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954587 (or 5954581 counting only the distinct ones).

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

The square root of 5240015440 is about 72387.9509310769. The cubic root of 5240015440 is about 1736.9108265136.

Adding to 5240015440 its reverse (445100425), we get a palindrome (5685115865).

The spelling of 5240015440 in words is "five billion, two hundred forty million, fifteen thousand, four hundred forty".