26420992 has 72 divisors (see below), whose sum is σ = 60265296. Its totient is φ = 11452416.

The previous prime is 26420987. The next prime is 26420993. The reversal of 26420992 is 29902462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26420993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56343 + ... + 56809.

It is an arithmetic number, because the mean of its divisors is an integer number (837018).

Almost surely, 2^26420992 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 26420992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30132648).

26420992 is an abundant number, since it is smaller than the sum of its proper divisors (33844304).

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

26420992 is a wasteful number, since it uses less digits than its factorization.

26420992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 26420992 is about 5140.1354067768. The cubic root of 26420992 is about 297.8400114145.

The spelling of 26420992 in words is "twenty-six million, four hundred twenty thousand, nine hundred ninety-two".