426532500 has 240 divisors, whose sum is σ = 1417046400. Its totient is φ = 110880000.

The previous prime is 426532459. The next prime is 426532507. The reversal of 426532500 is 5235624.

426532500 is a `hidden beast` number, since 4 + 2 + 653 + 2 + 5 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426532507) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4792456 + ... + 4792544.

It is an arithmetic number, because the mean of its divisors is an integer number (5904360).

Almost surely, 2^426532500 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 426532500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708523200).

426532500 is an abundant number, since it is smaller than the sum of its proper divisors (990513900).

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

426532500 is a wasteful number, since it uses less digits than its factorization.

426532500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 426532500 is about 20652.6632665136. The cubic root of 426532500 is about 752.7499050402.

The spelling of 426532500 in words is "four hundred twenty-six million, five hundred thirty-two thousand, five hundred".