426502000 has 80 divisors (see below), whose sum is σ = 1041442272. Its totient is φ = 168921600.

The previous prime is 426501931. The next prime is 426502007. The reversal of 426502000 is 205624.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426502007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213004 + ... + 214996.

Almost surely, 2^426502000 is an apocalyptic number.

426502000 is a gapful number since it is divisible by the number (40) 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 426502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520721136).

426502000 is an abundant number, since it is smaller than the sum of its proper divisors (614940272).

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

426502000 is a wasteful number, since it uses less digits than its factorization.

426502000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 426502000 is about 20651.9248497567. The cubic root of 426502000 is about 752.7319623517.

Adding to 426502000 its reverse (205624), we get a palindrome (426707624).

The spelling of 426502000 in words is "four hundred twenty-six million, five hundred two thousand".