26129964 has 48 divisors (see below), whose sum is σ = 69993728. Its totient is φ = 7432128.

The previous prime is 26129963. The next prime is 26130011. The reversal of 26129964 is 46992162.

It is not an unprimeable number, because it can be changed into a prime (26129963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22707 + ... + 23829.

Almost surely, 2^26129964 is an apocalyptic number.

It is an amenable number.

26129964 is an abundant number, since it is smaller than the sum of its proper divisors (43863764).

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

26129964 is a wasteful number, since it uses less digits than its factorization.

26129964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1412 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 26129964 is about 5111.7476463534. The cubic root of 26129964 is about 296.7423992714.

The spelling of 26129964 in words is "twenty-six million, one hundred twenty-nine thousand, nine hundred sixty-four".