26253920 has 96 divisors (see below), whose sum is σ = 77366016. Its totient is φ = 8179200.

The previous prime is 26253919. The next prime is 26253943. The reversal of 26253920 is 2935262.

26253920 = T₄₉₁ + T₄₉₂ + ... + T₆₅₀.

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, 11255 + ... + 13385.

It is an arithmetic number, because the mean of its divisors is an integer number (805896).

Almost surely, 2^26253920 is an apocalyptic number.

26253920 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 26253920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38683008).

26253920 is an abundant number, since it is smaller than the sum of its proper divisors (51112096).

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

26253920 is a wasteful number, since it uses less digits than its factorization.

26253920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2156 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 26253920 is about 5123.8579215275. The cubic root of 26253920 is about 297.2108906631.

The spelling of 26253920 in words is "twenty-six million, two hundred fifty-three thousand, nine hundred twenty".