26616940 has 24 divisors (see below), whose sum is σ = 63880992. Its totient is φ = 9125760.

The previous prime is 26616937. The next prime is 26616959. The reversal of 26616940 is 4961662.

It is a super-2 number, since 2×26616940² = 1416922989927200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26616896 and 26616905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94921 + ... + 95200.

It is an arithmetic number, because the mean of its divisors is an integer number (2661708).

Almost surely, 2^26616940 is an apocalyptic number.

26616940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26616940 is an abundant number, since it is smaller than the sum of its proper divisors (37264052).

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

26616940 is a wasteful number, since it uses less digits than its factorization.

26616940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190137 (or 190135 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 26616940 is about 5159.1607844687. The cubic root of 26616940 is about 298.5744964533.

It can be divided in two parts, 26616 and 940, that added together give a square (27556 = 166²).

The spelling of 26616940 in words is "twenty-six million, six hundred sixteen thousand, nine hundred forty".