5438344560 has 80 divisors (see below), whose sum is σ = 18391501440. Its totient is φ = 1318385920.

The previous prime is 5438344553. The next prime is 5438344589. The reversal of 5438344560 is 654438345.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027350 + ... + 1032629.

It is an arithmetic number, because the mean of its divisors is an integer number (229893768).

Almost surely, 2^5438344560 is an apocalyptic number.

It is an amenable number.

5438344560 is an abundant number, since it is smaller than the sum of its proper divisors (12953156880).

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

5438344560 is a wasteful number, since it uses less digits than its factorization.

5438344560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060006 (or 2060000 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The square root of 5438344560 is about 73745.1324495387. The cubic root of 5438344560 is about 1758.5534515554.

The spelling of 5438344560 in words is "five billion, four hundred thirty-eight million, three hundred forty-four thousand, five hundred sixty".