26216450 has 48 divisors (see below), whose sum is σ = 53574696. Its totient is φ = 9484800.

The previous prime is 26216441. The next prime is 26216453. The reversal of 26216450 is 5461262.

It can be written as a sum of positive squares in 12 ways, for example, as 1006009 + 25210441 = 1003^2 + 5021^2 .

It is a super-3 number, since 3×26216450³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26216453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34070 + ... + 34830.

Almost surely, 2^26216450 is an apocalyptic number.

26216450 is an abundant number, since it is smaller than the sum of its proper divisors (27358246).

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

26216450 is a wasteful number, since it uses less digits than its factorization.

26216450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 26216450 is about 5120.2001913988. The cubic root of 26216450 is about 297.0694286854.

The spelling of 26216450 in words is "twenty-six million, two hundred sixteen thousand, four hundred fifty".