26904041984 has 20 divisors (see below), whose sum is σ = 53755538034. Its totient is φ = 13452020736.

The previous prime is 26904041963. The next prime is 26904042041. The reversal of 26904041984 is 48914040962.

It can be written as a sum of positive squares in only one way, i.e., 23617542400 + 3286499584 = 153680^2 + 57328^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26272967 + ... + 26273990.

Almost surely, 2^26904041984 is an apocalyptic number.

It is an amenable number.

26904041984 is a deficient number, since it is larger than the sum of its proper divisors (26851496050).

26904041984 is an frugal number, since it uses more digits than its factorization.

26904041984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52546975 (or 52546959 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 26904041984 in words is "twenty-six billion, nine hundred four million, forty-one thousand, nine hundred eighty-four".