26223040 has 84 divisors (see below), whose sum is σ = 66193416. Its totient is φ = 9893376.

The previous prime is 26223037. The next prime is 26223073. The reversal of 26223040 is 4032262.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 26222999 and 26223017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115407 + ... + 115633.

Almost surely, 2^26223040 is an apocalyptic number.

26223040 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 26223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33096708).

26223040 is an abundant number, since it is smaller than the sum of its proper divisors (39970376).

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

26223040 is a wasteful number, since it uses less digits than its factorization.

26223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 26223040 is about 5120.8436804886. The cubic root of 26223040 is about 297.0943179378.

The spelling of 26223040 in words is "twenty-six million, two hundred twenty-three thousand, forty".