26880280156 has 6 divisors (see below), whose sum is σ = 47040490280. Its totient is φ = 13440140076.

The previous prime is 26880280127. The next prime is 26880280157. The reversal of 26880280156 is 65108208862.

It is a super-2 number, since 2×26880280156² (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 (26880280157) by changing a digit.

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, 3360035016 + ... + 3360035023.

Almost surely, 2^26880280156 is an apocalyptic number.

It is an amenable number.

26880280156 is a deficient number, since it is larger than the sum of its proper divisors (20160210124).

26880280156 is a wasteful number, since it uses less digits than its factorization.

26880280156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720070043 (or 6720070041 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 26880280156 in words is "twenty-six billion, eight hundred eighty million, two hundred eighty thousand, one hundred fifty-six".