26387403364 has 81 divisors (see below), whose sum is σ = 55254588921. Its totient is φ = 10994074560.

The previous prime is 26387403359. The next prime is 26387403373. The reversal of 26387403364 is 46330478362.

The square root of 26387403364 is 162442.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1271492964 + 25115910400 = 35658^2 + 158480^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 93241567 + ... + 93241849.

Almost surely, 2^26387403364 is an apocalyptic number.

26387403364 is the 162442-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26387403364

26387403364 is an abundant number, since it is smaller than the sum of its proper divisors (28867185557).

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

26387403364 is an equidigital number, since it uses as much as digits as its factorization.

26387403364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 26387403364 in words is "twenty-six billion, three hundred eighty-seven million, four hundred three thousand, three hundred sixty-four".