26013420 has 96 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 6823872.

The previous prime is 26013401. The next prime is 26013431. The reversal of 26013420 is 2431062.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 26013393 and 26013402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35821 + ... + 36539.

It is an arithmetic number, because the mean of its divisors is an integer number (856800).

Almost surely, 2^26013420 is an apocalyptic number.

26013420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26013420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41126400).

26013420 is an abundant number, since it is smaller than the sum of its proper divisors (56239380).

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

26013420 is a wasteful number, since it uses less digits than its factorization.

26013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 26013420 is about 5100.3352830966. The cubic root of 26013420 is about 296.3005681984.

Adding to 26013420 its reverse (2431062), we get a palindrome (28444482).

The spelling of 26013420 in words is "twenty-six million, thirteen thousand, four hundred twenty".