26657765148 has 48 divisors (see below), whose sum is σ = 73380521984. Its totient is φ = 7370809920.

The previous prime is 26657765083. The next prime is 26657765159. The reversal of 26657765148 is 84156775662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5116015 + ... + 5121222.

Almost surely, 2^26657765148 is an apocalyptic number.

26657765148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26657765148 is an abundant number, since it is smaller than the sum of its proper divisors (46722756836).

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

26657765148 is a wasteful number, since it uses less digits than its factorization.

26657765148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10237282 (or 10237280 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The spelling of 26657765148 in words is "twenty-six billion, six hundred fifty-seven million, seven hundred sixty-five thousand, one hundred forty-eight".