26912875380 has 48 divisors (see below), whose sum is σ = 75430904640. Its totient is φ = 7169637888.

The previous prime is 26912875373. The next prime is 26912875397. The reversal of 26912875380 is 8357821962.

It is a super-2 number, since 2×26912875380² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161734 + ... + 282813.

It is an arithmetic number, because the mean of its divisors is an integer number (1571477180).

Almost surely, 2^26912875380 is an apocalyptic number.

26912875380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26912875380 is an abundant number, since it is smaller than the sum of its proper divisors (48518029260).

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

26912875380 is a wasteful number, since it uses less digits than its factorization.

26912875380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445568 (or 445566 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 26912875380 in words is "twenty-six billion, nine hundred twelve million, eight hundred seventy-five thousand, three hundred eighty".