5378531328 has 112 divisors (see below), whose sum is σ = 15936071760. Its totient is φ = 1792770048.

The previous prime is 5378531317. The next prime is 5378531357. The reversal of 5378531328 is 8231358735.

5378531328 is a `hidden beast` number, since 537 + 85 + 3 + 1 + 32 + 8 = 666.

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, 209026 + ... + 233342.

It is an arithmetic number, because the mean of its divisors is an integer number (142286355).

Almost surely, 2^5378531328 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 5378531328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7968035880).

5378531328 is an abundant number, since it is smaller than the sum of its proper divisors (10557540432).

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

5378531328 is an equidigital number, since it uses as much as digits as its factorization.

5378531328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24352 (or 24322 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 5378531328 is about 73338.4709957877. The cubic root of 5378531328 is about 1752.0825631949.

The spelling of 5378531328 in words is "five billion, three hundred seventy-eight million, five hundred thirty-one thousand, three hundred twenty-eight".