5438177536 has 81 divisors (see below), whose sum is σ = 11960196703. Its totient is φ = 2465999360.

The previous prime is 5438177509. The next prime is 5438177561. The reversal of 5438177536 is 6357718345.

The square root of 5438177536 is 73744.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

Its product of digits (2116800) is a multiple of the sum of its prime divisors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 5438177536.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12978735 + ... + 12979153.

Almost surely, 2^5438177536 is an apocalyptic number.

5438177536 is the 73744-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5438177536

5438177536 is an abundant number, since it is smaller than the sum of its proper divisors (6522019167).

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

5438177536 is an frugal number, since it uses more digits than its factorization.

5438177536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 432 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The cubic root of 5438177536 is about 1758.5354483049.

Multiplying 5438177536 by its sum of digits (49), we get a square (266470699264 = 516208²).

The spelling of 5438177536 in words is "five billion, four hundred thirty-eight million, one hundred seventy-seven thousand, five hundred thirty-six".