26199492 has 96 divisors (see below), whose sum is σ = 70447104. Its totient is φ = 7507200.

The previous prime is 26199487. The next prime is 26199517. The reversal of 26199492 is 29499162.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254313 + ... + 254415.

It is an arithmetic number, because the mean of its divisors is an integer number (733824).

Almost surely, 2^26199492 is an apocalyptic number.

26199492 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 26199492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35223552).

26199492 is an abundant number, since it is smaller than the sum of its proper divisors (44247612).

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

26199492 is a wasteful number, since it uses less digits than its factorization.

26199492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 207 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 26199492 is about 5118.5439335811. The cubic root of 26199492 is about 297.0053621678.

The spelling of 26199492 in words is "twenty-six million, one hundred ninety-nine thousand, four hundred ninety-two".