26281744428 has 24 divisors (see below), whose sum is σ = 61327464688. Its totient is φ = 8760096576.

The previous prime is 26281744403. The next prime is 26281744441. The reversal of 26281744428 is 82444718262.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 215550 + ... + 314682.

Almost surely, 2^26281744428 is an apocalyptic number.

It is an amenable number.

26281744428 is an abundant number, since it is smaller than the sum of its proper divisors (35045720260).

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

26281744428 is a wasteful number, since it uses less digits than its factorization.

26281744428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121233 (or 121231 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 48.

The spelling of 26281744428 in words is "twenty-six billion, two hundred eighty-one million, seven hundred forty-four thousand, four hundred twenty-eight".