26622040 has 64 divisors (see below), whose sum is σ = 65836800. Its totient is φ = 9643392.

The previous prime is 26621939. The next prime is 26622041. The reversal of 26622040 is 4022662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26622041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16719 + ... + 18241.

It is an arithmetic number, because the mean of its divisors is an integer number (1028700).

Almost surely, 2^26622040 is an apocalyptic number.

26622040 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 26622040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32918400).

26622040 is an abundant number, since it is smaller than the sum of its proper divisors (39214760).

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

26622040 is a wasteful number, since it uses less digits than its factorization.

26622040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 26622040 is about 5159.6550272281. The cubic root of 26622040 is about 298.5935649198.

The spelling of 26622040 in words is "twenty-six million, six hundred twenty-two thousand, forty".