26041620 has 144 divisors (see below), whose sum is σ = 85264704. Its totient is φ = 5913600.

The previous prime is 26041607. The next prime is 26041633. The reversal of 26041620 is 2614062.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26041607) and next prime (26041633).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123315 + ... + 123525.

It is an arithmetic number, because the mean of its divisors is an integer number (592116).

Almost surely, 2^26041620 is an apocalyptic number.

26041620 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 26041620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42632352).

26041620 is an abundant number, since it is smaller than the sum of its proper divisors (59223084).

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

26041620 is a wasteful number, since it uses less digits than its factorization.

26041620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 26041620 is about 5103.0990584154. The cubic root of 26041620 is about 296.4075983198.

Adding to 26041620 its reverse (2614062), we get a palindrome (28655682).

It can be divided in two parts, 2604 and 1620, that added together give a palindrome (4224).

The spelling of 26041620 in words is "twenty-six million, forty-one thousand, six hundred twenty".