26396220 has 48 divisors (see below), whose sum is σ = 74390400. Its totient is φ = 6993216.

The previous prime is 26396179. The next prime is 26396269. The reversal of 26396220 is 2269362.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8431 + ... + 11129.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 2^26396220 is an apocalyptic number.

26396220 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 26396220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37195200).

26396220 is an abundant number, since it is smaller than the sum of its proper divisors (47994180).

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

26396220 is a wasteful number, since it uses less digits than its factorization.

26396220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 26396220 is about 5137.7251775470. The cubic root of 26396220 is about 297.7468985867.

The spelling of 26396220 in words is "twenty-six million, three hundred ninety-six thousand, two hundred twenty".