5240032640 has 64 divisors (see below), whose sum is σ = 12548986560. Its totient is φ = 2092326912.

The previous prime is 5240032639. The next prime is 5240032687. The reversal of 5240032640 is 462300425.

It is a tau number, because it is divible by the number of its divisors (64).

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, 372617 + ... + 386423.

It is an arithmetic number, because the mean of its divisors is an integer number (196077915).

Almost surely, 2^5240032640 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 5240032640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6274493280).

5240032640 is an abundant number, since it is smaller than the sum of its proper divisors (7308953920).

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

5240032640 is a wasteful number, since it uses less digits than its factorization.

5240032640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14419 (or 14407 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 5240032640 is about 72388.0697352817. The cubic root of 5240032640 is about 1736.9127269427.

The spelling of 5240032640 in words is "five billion, two hundred forty million, thirty-two thousand, six hundred forty".