26021842 has 48 divisors (see below), whose sum is σ = 50232960. Its totient is φ = 9996000.

The previous prime is 26021833. The next prime is 26021851. The reversal of 26021842 is 24812062.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26021833) and next prime (26021851).

It is a super-2 number, since 2×26021842² = 1354272522145928, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 108759 + ... + 108997.

It is an arithmetic number, because the mean of its divisors is an integer number (1046520).

Almost surely, 2^26021842 is an apocalyptic number.

26021842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26021842 is a deficient number, since it is larger than the sum of its proper divisors (24211118).

26021842 is a wasteful number, since it uses less digits than its factorization.

26021842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 26021842 is about 5101.1608482776. The cubic root of 26021842 is about 296.3325411074.

It can be divided in two parts, 2602 and 1842, that added together give a palindrome (4444).

The spelling of 26021842 in words is "twenty-six million, twenty-one thousand, eight hundred forty-two".