26671340 has 12 divisors (see below), whose sum is σ = 56009856. Its totient is φ = 10668528.

The previous prime is 26671331. The next prime is 26671343. The reversal of 26671340 is 4317662.

It is a super-2 number, since 2×26671340² = 1422720754791200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26671343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666764 + ... + 666803.

It is an arithmetic number, because the mean of its divisors is an integer number (4667488).

Almost surely, 2^26671340 is an apocalyptic number.

26671340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26671340 is an abundant number, since it is smaller than the sum of its proper divisors (29338516).

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

26671340 is a wasteful number, since it uses less digits than its factorization.

26671340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333576 (or 1333574 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 26671340 is about 5164.4302686744. The cubic root of 26671340 is about 298.7777679995. Note that the first 4 decimals are identical.

The spelling of 26671340 in words is "twenty-six million, six hundred seventy-one thousand, three hundred forty".