26240646 has 8 divisors (see below), whose sum is σ = 52481304. Its totient is φ = 8746880.

The previous prime is 26240611. The next prime is 26240651. The reversal of 26240646 is 64604262.

It is a sphenic number, since it is the product of 3 distinct primes.

26240646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186715 + ... + 2186726.

It is an arithmetic number, because the mean of its divisors is an integer number (6560163).

Almost surely, 2^26240646 is an apocalyptic number.

26240646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26240646 is a wasteful number, since it uses less digits than its factorization.

26240646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373446.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 26240646 is about 5122.5624447146. The cubic root of 26240646 is about 297.1607922087.

The spelling of 26240646 in words is "twenty-six million, two hundred forty thousand, six hundred forty-six".