26203128 has 64 divisors (see below), whose sum is σ = 78816000. Its totient is φ = 7091712.

The previous prime is 26203087. The next prime is 26203129. The reversal of 26203128 is 82130262.

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

It is a junction number, because it is equal to n+sod(n) for n = 26203098 and 26203107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26203129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913 + ... + 7296.

It is an arithmetic number, because the mean of its divisors is an integer number (1231500).

Almost surely, 2^26203128 is an apocalyptic number.

26203128 is a gapful number since it is divisible by the number (28) 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 26203128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39408000).

26203128 is an abundant number, since it is smaller than the sum of its proper divisors (52612872).

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

26203128 is a wasteful number, since it uses less digits than its factorization.

26203128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244 (or 8240 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 26203128 is about 5118.8991003926. The cubic root of 26203128 is about 297.0191011307.

The spelling of 26203128 in words is "twenty-six million, two hundred three thousand, one hundred twenty-eight".