26421612 has 24 divisors (see below), whose sum is σ = 70457856. Its totient is φ = 7549008.

The previous prime is 26421611. The next prime is 26421643. The reversal of 26421612 is 21612462.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (26421611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157188 + ... + 157355.

It is an arithmetic number, because the mean of its divisors is an integer number (2935744).

Almost surely, 2^26421612 is an apocalyptic number.

It is an amenable number.

26421612 is an abundant number, since it is smaller than the sum of its proper divisors (44036244).

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

26421612 is a wasteful number, since it uses less digits than its factorization.

26421612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314557 (or 314555 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 26421612 is about 5140.1957161182. The cubic root of 26421612 is about 297.8423411196.

The spelling of 26421612 in words is "twenty-six million, four hundred twenty-one thousand, six hundred twelve".