26089812 has 72 divisors (see below), whose sum is σ = 79352000. Its totient is φ = 7060608.

The previous prime is 26089801. The next prime is 26089823. The reversal of 26089812 is 21898062.

26089812 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (26089801) and next prime (26089823).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 2064 + ... + 7512.

Almost surely, 2^26089812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26089812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39676000).

26089812 is an abundant number, since it is smaller than the sum of its proper divisors (53262188).

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

26089812 is a wasteful number, since it uses less digits than its factorization.

26089812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485 (or 5480 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 26089812 is about 5107.8187125230. The cubic root of 26089812 is about 296.5903272556.

The spelling of 26089812 in words is "twenty-six million, eighty-nine thousand, eight hundred twelve".