26850645 has 24 divisors (see below), whose sum is σ = 46665216. Its totient is φ = 14282208.

The previous prime is 26850623. The next prime is 26850653. The reversal of 26850645 is 54605862.

26850645 is a `hidden beast` number, since 2 + 6 + 8 + 5 + 0 + 645 = 666.

It is not a de Polignac number, because 26850645 - 2⁶ = 26850581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26824 + ... + 27806.

It is an arithmetic number, because the mean of its divisors is an integer number (1944384).

Almost surely, 2^26850645 is an apocalyptic number.

It is an amenable number.

26850645 is a deficient number, since it is larger than the sum of its proper divisors (19814571).

26850645 is a wasteful number, since it uses less digits than its factorization.

26850645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 26850645 is about 5181.7608011177. The cubic root of 26850645 is about 299.4458102093.

It can be divided in two parts, 26850 and 645, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 26850645 in words is "twenty-six million, eight hundred fifty thousand, six hundred forty-five".