26380416 has 32 divisors (see below), whose sum is σ = 70074000. Its totient is φ = 8793344.

The previous prime is 26380399. The next prime is 26380433. The reversal of 26380416 is 61408362.

It is an interprime number because it is at equal distance from previous prime (26380399) and next prime (26380433).

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33966 + ... + 34733.

Almost surely, 2^26380416 is an apocalyptic number.

It is an amenable number.

26380416 is an abundant number, since it is smaller than the sum of its proper divisors (43693584).

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

26380416 is an equidigital number, since it uses as much as digits as its factorization.

26380416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68716 (or 68704 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 26380416 is about 5136.1869124867. The cubic root of 26380416 is about 297.6874641751.

Adding to 26380416 its reverse (61408362), we get a palindrome (87788778).

It can be divided in two parts, 26380 and 416, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 26380416 in words is "twenty-six million, three hundred eighty thousand, four hundred sixteen".