26291325316 has 81 divisors (see below), whose sum is σ = 51789595557. Its totient is φ = 11674512000.

The previous prime is 26291325301. The next prime is 26291325337. The reversal of 26291325316 is 61352319262.

The square root of 26291325316 is 162146.

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., 20469024900 + 5822300416 = 143070^2 + 76304^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 104746191 + ... + 104746441.

Almost surely, 2^26291325316 is an apocalyptic number.

26291325316 is the 162146-th square number.

It is an amenable number.

26291325316 is a deficient number, since it is larger than the sum of its proper divisors (25498270241).

26291325316 is a wasteful number, since it uses less digits than its factorization.

26291325316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 289 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The spelling of 26291325316 in words is "twenty-six billion, two hundred ninety-one million, three hundred twenty-five thousand, three hundred sixteen".