26998081548 has 24 divisors (see below), whose sum is σ = 66701143152. Its totient is φ = 8469986304.

The previous prime is 26998081543. The next prime is 26998081601. The reversal of 26998081548 is 84518089962.

It is a junction number, because it is equal to n+sod(n) for n = 26998081491 and 26998081500.

It is not an unprimeable number, because it can be changed into a prime (26998081543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66171565 + ... + 66171972.

It is an arithmetic number, because the mean of its divisors is an integer number (2779214298).

Almost surely, 2^26998081548 is an apocalyptic number.

It is an amenable number.

26998081548 is an abundant number, since it is smaller than the sum of its proper divisors (39703061604).

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

26998081548 is a wasteful number, since it uses less digits than its factorization.

26998081548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132343561 (or 132343559 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 60.

The spelling of 26998081548 in words is "twenty-six billion, nine hundred ninety-eight million, eighty-one thousand, five hundred forty-eight".