26172416 has 44 divisors (see below), whose sum is σ = 53303880. Its totient is φ = 12840960.

The previous prime is 26172409. The next prime is 26172437. The reversal of 26172416 is 61427162.

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, 62255 + ... + 62673.

Almost surely, 2^26172416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26172416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26651940).

26172416 is an abundant number, since it is smaller than the sum of its proper divisors (27131464).

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

26172416 is an equidigital number, since it uses as much as digits as its factorization.

26172416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 482 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 26172416 is about 5115.8983570826. The cubic root of 26172416 is about 296.9030129947.

Adding to 26172416 its reverse (61427162), we get a palindrome (87599578).

The spelling of 26172416 in words is "twenty-six million, one hundred seventy-two thousand, four hundred sixteen".