26440516 has 12 divisors (see below), whose sum is σ = 46625040. Its totient is φ = 13119080.

The previous prime is 26440493. The next prime is 26440517. The reversal of 26440516 is 61504462.

It is not an unprimeable number, because it can be changed into a prime (26440517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24706 + ... + 25753.

It is an arithmetic number, because the mean of its divisors is an integer number (3885420).

Almost surely, 2^26440516 is an apocalyptic number.

It is an amenable number.

26440516 is a deficient number, since it is larger than the sum of its proper divisors (20184524).

26440516 is a wasteful number, since it uses less digits than its factorization.

26440516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50594 (or 50592 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 26440516 is about 5142.0342278130. The cubic root of 26440516 is about 297.9133570913.

Adding to 26440516 its reverse (61504462), we get a palindrome (87944978).

The spelling of 26440516 in words is "twenty-six million, four hundred forty thousand, five hundred sixteen".