26918420 has 12 divisors (see below), whose sum is σ = 56528724. Its totient is φ = 10767360.

The previous prime is 26918413. The next prime is 26918431. The reversal of 26918420 is 2481962.

It can be written as a sum of positive squares in 2 ways, for example, as 12645136 + 14273284 = 3556^2 + 3778^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672941 + ... + 672980.

It is an arithmetic number, because the mean of its divisors is an integer number (4710727).

Almost surely, 2^26918420 is an apocalyptic number.

26918420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26918420 is an abundant number, since it is smaller than the sum of its proper divisors (29610304).

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

26918420 is a wasteful number, since it uses less digits than its factorization.

26918420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345930 (or 1345928 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 26918420 is about 5188.2964448844. The cubic root of 26918420 is about 299.6975470283.

It can be divided in two parts, 2691 and 8420, that added together give a palindrome (11111).

The spelling of 26918420 in words is "twenty-six million, nine hundred eighteen thousand, four hundred twenty".