26624420 has 24 divisors (see below), whose sum is σ = 56261184. Its totient is φ = 10583136.

The previous prime is 26624417. The next prime is 26624441. The reversal of 26624420 is 2442662.

It is a self number, because there is not a number n which added to its sum of digits gives 26624420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824 + ... + 7343.

It is an arithmetic number, because the mean of its divisors is an integer number (2344216).

Almost surely, 2^26624420 is an apocalyptic number.

26624420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26624420 is an abundant number, since it is smaller than the sum of its proper divisors (29636764).

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

26624420 is a wasteful number, since it uses less digits than its factorization.

26624420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339 (or 8337 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 26624420 is about 5159.8856576479. The cubic root of 26624420 is about 298.6024627041.

The spelling of 26624420 in words is "twenty-six million, six hundred twenty-four thousand, four hundred twenty".