26400850 has 24 divisors (see below), whose sum is σ = 56121408. Its totient is φ = 9051600.

The previous prime is 26400833. The next prime is 26400851. The reversal of 26400850 is 5800462.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (26400851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37366 + ... + 38065.

It is an arithmetic number, because the mean of its divisors is an integer number (2338392).

Almost surely, 2^26400850 is an apocalyptic number.

26400850 is an abundant number, since it is smaller than the sum of its proper divisors (29720558).

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

26400850 is a wasteful number, since it uses less digits than its factorization.

26400850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75450 (or 75445 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 26400850 is about 5138.1757463131. The cubic root of 26400850 is about 297.7643062250.

The spelling of 26400850 in words is "twenty-six million, four hundred thousand, eight hundred fifty".