26690684000 has 48 divisors (see below), whose sum is σ = 65579020416. Its totient is φ = 10676272000.

The previous prime is 26690683967. The next prime is 26690684003. The reversal of 26690684000 is 48609662.

It is a super-2 number, since 2×26690684000² (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 (26690684003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3332336 + ... + 3340335.

It is an arithmetic number, because the mean of its divisors is an integer number (1366229592).

Almost surely, 2^26690684000 is an apocalyptic number.

26690684000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26690684000 is an abundant number, since it is smaller than the sum of its proper divisors (38888336416).

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

26690684000 is an equidigital number, since it uses as much as digits as its factorization.

26690684000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672696 (or 6672678 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 26690684000 in words is "twenty-six billion, six hundred ninety million, six hundred eighty-four thousand".