26142768 has 60 divisors (see below), whose sum is σ = 74222928. Its totient is φ = 8588160.

The previous prime is 26142737. The next prime is 26142773. The reversal of 26142768 is 86724162.

It is a Cunningham number, because it is equal to 5113²-1.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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, 8946 + ... + 11502.

Almost surely, 2^26142768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26142768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37111464).

26142768 is an abundant number, since it is smaller than the sum of its proper divisors (48080160).

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

26142768 is a wasteful number, since it uses less digits than its factorization.

26142768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2633 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 26142768 is about 5112.9999022101. Note that the first 4 decimals coincide. The cubic root of 26142768 is about 296.7908604844.

The spelling of 26142768 in words is "twenty-six million, one hundred forty-two thousand, seven hundred sixty-eight".