26285488384 has 27 divisors (see below), whose sum is σ = 52473477553. Its totient is φ = 13141447168.

The previous prime is 26285488367. The next prime is 26285488391. The reversal of 26285488384 is 48388458262.

The square root of 26285488384 is 162128.

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

It can be written as a sum of positive squares in only one way, i.e., 21083040000 + 5202448384 = 145200^2 + 72128^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2588982 + ... + 2599114.

Almost surely, 2^26285488384 is an apocalyptic number.

26285488384 is the 162128-th square number.

It is an amenable number.

26285488384 is a deficient number, since it is larger than the sum of its proper divisors (26187989169).

26285488384 is an frugal number, since it uses more digits than its factorization.

26285488384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20282 (or 10135 counting only the distinct ones).

The product of its digits is 23592960, while the sum is 58.

The spelling of 26285488384 in words is "twenty-six billion, two hundred eighty-five million, four hundred eighty-eight thousand, three hundred eighty-four".