26381632 has 14 divisors (see below), whose sum is σ = 52351178. Its totient is φ = 13190784.

The previous prime is 26381627. The next prime is 26381653. The reversal of 26381632 is 23618362.

It can be written as a sum of positive squares in only one way, i.e., 26378496 + 3136 = 5136^2 + 56^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26381594 and 26381603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206043 + ... + 206170.

Almost surely, 2^26381632 is an apocalyptic number.

It is an amenable number.

26381632 is a deficient number, since it is larger than the sum of its proper divisors (25969546).

26381632 is an equidigital number, since it uses as much as digits as its factorization.

26381632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412225 (or 412215 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 26381632 is about 5136.3052868769. The cubic root of 26381632 is about 297.6920380529.

Adding to 26381632 its reverse (23618362), we get a palindrome (49999994).

The spelling of 26381632 in words is "twenty-six million, three hundred eighty-one thousand, six hundred thirty-two".