26661424 has 10 divisors (see below), whose sum is σ = 51656540. Its totient is φ = 13330704.

The previous prime is 26661407. The next prime is 26661443. The reversal of 26661424 is 42416662.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 833154 + ... + 833185.

It is an arithmetic number, because the mean of its divisors is an integer number (5165654).

Almost surely, 2^26661424 is an apocalyptic number.

It is an amenable number.

26661424 is a deficient number, since it is larger than the sum of its proper divisors (24995116).

26661424 is a wasteful number, since it uses less digits than its factorization.

26661424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666347 (or 1666341 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 26661424 is about 5163.4701509741. The cubic root of 26661424 is about 298.7407363945.

The spelling of 26661424 in words is "twenty-six million, six hundred sixty-one thousand, four hundred twenty-four".