26455880 has 32 divisors (see below), whose sum is σ = 64938240. Its totient is φ = 9620160.

The previous prime is 26455853. The next prime is 26455901. The reversal of 26455880 is 8855462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29624 + ... + 30503.

It is an arithmetic number, because the mean of its divisors is an integer number (2029320).

Almost surely, 2^26455880 is an apocalyptic number.

26455880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26455880 is an abundant number, since it is smaller than the sum of its proper divisors (38482360).

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

26455880 is a wasteful number, since it uses less digits than its factorization.

26455880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60149 (or 60145 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 26455880 is about 5143.5279721219. The cubic root of 26455880 is about 297.9710495426.

The spelling of 26455880 in words is "twenty-six million, four hundred fifty-five thousand, eight hundred eighty".