26938669280 has 48 divisors (see below), whose sum is σ = 64298752560. Its totient is φ = 10664374272.

The previous prime is 26938669279. The next prime is 26938669309. The reversal of 26938669280 is 8296683962.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852350 + ... + 883389.

It is an arithmetic number, because the mean of its divisors is an integer number (1339557345).

Almost surely, 2^26938669280 is an apocalyptic number.

26938669280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26938669280 is an abundant number, since it is smaller than the sum of its proper divisors (37360083280).

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

26938669280 is a wasteful number, since it uses less digits than its factorization.

26938669280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735851 (or 1735843 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 26938669280 in words is "twenty-six billion, nine hundred thirty-eight million, six hundred sixty-nine thousand, two hundred eighty".