26454420 has 144 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 6659328.

The previous prime is 26454413. The next prime is 26454433. The reversal of 26454420 is 2445462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 448351 + ... + 448409.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^26454420 is an apocalyptic number.

26454420 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 26454420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42456960).

26454420 is an abundant number, since it is smaller than the sum of its proper divisors (58459500).

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

26454420 is a wasteful number, since it uses less digits than its factorization.

26454420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 26454420 is about 5143.3860442320. The cubic root of 26454420 is about 297.9655681432.

Adding to 26454420 its reverse (2445462), we get a palindrome (28899882).

The spelling of 26454420 in words is "twenty-six million, four hundred fifty-four thousand, four hundred twenty".