26442664 has 32 divisors (see below), whose sum is σ = 51597000. Its totient is φ = 12689152.

The previous prime is 26442653. The next prime is 26442673. The reversal of 26442664 is 46624462.

It can be written as a sum of positive squares in 4 ways, for example, as 24900100 + 1542564 = 4990^2 + 1242^2 .

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, 67782 + ... + 68170.

Almost surely, 2^26442664 is an apocalyptic number.

It is an amenable number.

26442664 is a deficient number, since it is larger than the sum of its proper divisors (25154336).

26442664 is a wasteful number, since it uses less digits than its factorization.

26442664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 713 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 26442664 is about 5142.2430903255. The cubic root of 26442664 is about 297.9214242632.

The spelling of 26442664 in words is "twenty-six million, four hundred forty-two thousand, six hundred sixty-four".