26669362928 has 40 divisors (see below), whose sum is σ = 55979937888. Its totient is φ = 12235214592.

The previous prime is 26669362927. The next prime is 26669362943. The reversal of 26669362928 is 82926396662.

It is a happy number.

It is a super-2 number, since 2×26669362928² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26669362927) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 349151 + ... + 418622.

Almost surely, 2^26669362928 is an apocalyptic number.

It is an amenable number.

26669362928 is an abundant number, since it is smaller than the sum of its proper divisors (29310574960).

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

26669362928 is a wasteful number, since it uses less digits than its factorization.

26669362928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767961 (or 767955 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 59.

The spelling of 26669362928 in words is "twenty-six billion, six hundred sixty-nine million, three hundred sixty-two thousand, nine hundred twenty-eight".