26433220 has 48 divisors (see below), whose sum is σ = 61725888. Its totient is φ = 9426560.

The previous prime is 26433217. The next prime is 26433247. The reversal of 26433220 is 2233462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 26433191 and 26433200.

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, 10527 + ... + 12793.

It is an arithmetic number, because the mean of its divisors is an integer number (1285956).

Almost surely, 2^26433220 is an apocalyptic number.

26433220 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 26433220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30862944).

26433220 is an abundant number, since it is smaller than the sum of its proper divisors (35292668).

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

26433220 is a wasteful number, since it uses less digits than its factorization.

26433220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 26433220 is about 5141.3247320122. The cubic root of 26433220 is about 297.8859524848.

Adding to 26433220 its reverse (2233462), we get a palindrome (28666682).

The spelling of 26433220 in words is "twenty-six million, four hundred thirty-three thousand, two hundred twenty".