426303500 has 72 divisors (see below), whose sum is σ = 1067111136. Its totient is φ = 145742400.

The previous prime is 426303491. The next prime is 426303511. The reversal of 426303500 is 5303624.

It is a super-2 number, since 2×426303500² = 363469348224500000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1221326 + ... + 1221674.

It is an arithmetic number, because the mean of its divisors is an integer number (14820988).

Almost surely, 2^426303500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426303500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533555568).

426303500 is an abundant number, since it is smaller than the sum of its proper divisors (640807636).

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

426303500 is an equidigital number, since it uses as much as digits as its factorization.

426303500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 426303500 is about 20647.1184430177. The cubic root of 426303500 is about 752.6151669003.

The spelling of 426303500 in words is "four hundred twenty-six million, three hundred three thousand, five hundred".