26642988 has 36 divisors (see below), whose sum is σ = 67813200. Its totient is φ = 8819616.

The previous prime is 26642983. The next prime is 26643037. The reversal of 26642988 is 88924662.

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

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (26642983) 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 11 ways as a sum of consecutive naturals, for example, 2881 + ... + 7847.

It is an arithmetic number, because the mean of its divisors is an integer number (1883700).

Almost surely, 2^26642988 is an apocalyptic number.

It is an amenable number.

26642988 is an abundant number, since it is smaller than the sum of its proper divisors (41170212).

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

26642988 is a wasteful number, since it uses less digits than its factorization.

26642988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126 (or 5121 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 26642988 is about 5161.6846087300. The cubic root of 26642988 is about 298.6718621767.

The spelling of 26642988 in words is "twenty-six million, six hundred forty-two thousand, nine hundred eighty-eight".