26101992 has 64 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 7416000.

The previous prime is 26101981. The next prime is 26101993. The reversal of 26101992 is 29910162.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26101993) 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 15 ways as a sum of consecutive naturals, for example, 41859 + ... + 42477.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^26101992 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 26101992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37497600).

26101992 is an abundant number, since it is smaller than the sum of its proper divisors (48893208).

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

26101992 is a wasteful number, since it uses less digits than its factorization.

26101992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 26101992 is about 5109.0108631711. The cubic root of 26101992 is about 296.6364743643.

The spelling of 26101992 in words is "twenty-six million, one hundred one thousand, nine hundred ninety-two".