100026256 has 40 divisors (see below), whose sum is σ = 216352224. Its totient is φ = 44405760.

The previous prime is 100026253. The next prime is 100026257. The reversal of 100026256 is 652620001.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (100026253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960 + ... + 14176.

Almost surely, 2^100026256 is an apocalyptic number.

100026256 is a gapful number since it is divisible by the number (16) 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 100026256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108176112).

100026256 is an abundant number, since it is smaller than the sum of its proper divisors (116325968).

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

100026256 is a wasteful number, since it uses less digits than its factorization.

100026256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13279 (or 13273 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 100026256 is about 10001.3127138391. The cubic root of 100026256 is about 464.1995029919.

Adding to 100026256 its reverse (652620001), we get a palindrome (752646257).

The spelling of 100026256 in words is "one hundred million, twenty-six thousand, two hundred fifty-six".