26255400 has 48 divisors (see below), whose sum is σ = 81393600. Its totient is φ = 7001280.

The previous prime is 26255389. The next prime is 26255401. The reversal of 26255400 is 455262.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (26255401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21280 + ... + 22479.

It is an arithmetic number, because the mean of its divisors is an integer number (1695700).

Almost surely, 2^26255400 is an apocalyptic number.

26255400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26255400 is an abundant number, since it is smaller than the sum of its proper divisors (55138200).

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

26255400 is a wasteful number, since it uses less digits than its factorization.

26255400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43778 (or 43769 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 26255400 is about 5124.0023419198. The cubic root of 26255400 is about 297.2164754019.

Subtracting from 26255400 its sum of digits (24), we obtain a square (26255376 = 5124²).

The spelling of 26255400 in words is "twenty-six million, two hundred fifty-five thousand, four hundred".