26670682380 has 48 divisors (see below), whose sum is σ = 74685149280. Its totient is φ = 7111492608.

The previous prime is 26670682351. The next prime is 26670682393. The reversal of 26670682380 is 8328607662.

It is a happy number.

It is a super-2 number, since 2×26670682380² (a number of 22 digits) contains 22 as substring.

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, 1014036 + ... + 1040004.

It is an arithmetic number, because the mean of its divisors is an integer number (1555940610).

Almost surely, 2^26670682380 is an apocalyptic number.

26670682380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26670682380 is an abundant number, since it is smaller than the sum of its proper divisors (48014466900).

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

26670682380 is a wasteful number, since it uses less digits than its factorization.

26670682380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43098 (or 43096 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 26670682380 in words is "twenty-six billion, six hundred seventy million, six hundred eighty-two thousand, three hundred eighty".