26040616 has 16 divisors (see below), whose sum is σ = 55801440. Its totient is φ = 11160240.

The previous prime is 26040613. The next prime is 26040629. The reversal of 26040616 is 61604062.

It is a happy number.

It is a super-2 number, since 2×26040616² = 1356227363318912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26040613) 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 3 ways as a sum of consecutive naturals, for example, 232450 + ... + 232561.

It is an arithmetic number, because the mean of its divisors is an integer number (3487590).

Almost surely, 2^26040616 is an apocalyptic number.

It is an amenable number.

26040616 is an abundant number, since it is smaller than the sum of its proper divisors (29760824).

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

26040616 is a wasteful number, since it uses less digits than its factorization.

26040616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465024 (or 465020 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 26040616 is about 5103.0006858710. Note that the first 3 decimals coincide. The cubic root of 26040616 is about 296.4037890707.

Adding to 26040616 its reverse (61604062), we get a palindrome (87644678).

The spelling of 26040616 in words is "twenty-six million, forty thousand, six hundred sixteen".