100450026 has 48 divisors (see below), whose sum is σ = 226512000. Its totient is φ = 32133024.

The previous prime is 100449917. The next prime is 100450043. The reversal of 100450026 is 620054001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100449990 and 100450008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103395 + ... + 104361.

It is an arithmetic number, because the mean of its divisors is an integer number (4719000).

Almost surely, 2^100450026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100450026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113256000).

100450026 is an abundant number, since it is smaller than the sum of its proper divisors (126061974).

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

100450026 is a wasteful number, since it uses less digits than its factorization.

100450026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100450026 is about 10022.4760413782. The cubic root of 100450026 is about 464.8541200388.

The spelling of 100450026 in words is "one hundred million, four hundred fifty thousand, twenty-six".