26479992 has 192 divisors, whose sum is σ = 88646400. Its totient is φ = 6504960.

The previous prime is 26479991. The next prime is 26479997. The reversal of 26479992 is 29997462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26479991) 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 47 ways as a sum of consecutive naturals, for example, 297484 + ... + 297572.

It is an arithmetic number, because the mean of its divisors is an integer number (461700).

Almost surely, 2^26479992 is an apocalyptic number.

26479992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26479992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44323200).

26479992 is an abundant number, since it is smaller than the sum of its proper divisors (62166408).

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

26479992 is a wasteful number, since it uses less digits than its factorization.

26479992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 135 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 26479992 is about 5145.8713547853. The cubic root of 26479992 is about 298.0615460766.

The spelling of 26479992 in words is "twenty-six million, four hundred seventy-nine thousand, nine hundred ninety-two".