26660412 has 36 divisors (see below), whose sum is σ = 67548936. Its totient is φ = 8866080.

The previous prime is 26660411. The next prime is 26660449. The reversal of 26660412 is 21406662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26660411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27862 + ... + 28802.

Almost surely, 2^26660412 is an apocalyptic number.

It is an amenable number.

26660412 is an abundant number, since it is smaller than the sum of its proper divisors (40888524).

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

26660412 is a wasteful number, since it uses less digits than its factorization.

26660412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 26660412 is about 5163.3721539320. The cubic root of 26660412 is about 298.7369565333.

It can be divided in two parts, 26660 and 412, that added together give a palindrome (27072).

The spelling of 26660412 in words is "twenty-six million, six hundred sixty thousand, four hundred twelve".