26190620 has 12 divisors (see below), whose sum is σ = 55000344. Its totient is φ = 10476240.

The previous prime is 26190617. The next prime is 26190623. The reversal of 26190620 is 2609162.

It is an interprime number because it is at equal distance from previous prime (26190617) and next prime (26190623).

It is a self number, because there is not a number n which added to its sum of digits gives 26190620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26190623) by changing a digit.

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, 654746 + ... + 654785.

It is an arithmetic number, because the mean of its divisors is an integer number (4583362).

Almost surely, 2^26190620 is an apocalyptic number.

26190620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26190620 is an abundant number, since it is smaller than the sum of its proper divisors (28809724).

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

26190620 is a wasteful number, since it uses less digits than its factorization.

26190620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309540 (or 1309538 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 26190620 is about 5117.6772074839. The cubic root of 26190620 is about 296.9718331581.

Adding to 26190620 its reverse (2609162), we get a palindrome (28799782).

The spelling of 26190620 in words is "twenty-six million, one hundred ninety thousand, six hundred twenty".