26423040 has 144 divisors (see below), whose sum is σ = 96542208. Its totient is φ = 6033408.

The previous prime is 26423039. The next prime is 26423057. The reversal of 26423040 is 4032462.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 26422998 and 26423016.

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, 26389 + ... + 27371.

It is an arithmetic number, because the mean of its divisors is an integer number (670432).

Almost surely, 2^26423040 is an apocalyptic number.

26423040 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 26423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48271104).

26423040 is an abundant number, since it is smaller than the sum of its proper divisors (70119168).

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

26423040 is an equidigital number, since it uses as much as digits as its factorization.

26423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 26423040 is about 5140.3346194582. The cubic root of 26423040 is about 297.8477068180.

The spelling of 26423040 in words is "twenty-six million, four hundred twenty-three thousand, forty".