26298420 has 48 divisors (see below), whose sum is σ = 74114880. Its totient is φ = 6967296.

The previous prime is 26298401. The next prime is 26298443. The reversal of 26298420 is 2489262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8436 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (1544060).

Almost surely, 2^26298420 is an apocalyptic number.

26298420 is a gapful number since it is divisible by the number (20) 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 26298420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37057440).

26298420 is an abundant number, since it is smaller than the sum of its proper divisors (47816460).

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

26298420 is a wasteful number, since it uses less digits than its factorization.

26298420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 26298420 is about 5128.1985140983. The cubic root of 26298420 is about 297.3787185418.

The spelling of 26298420 in words is "twenty-six million, two hundred ninety-eight thousand, four hundred twenty".