424525536 has 120 divisors (see below), whose sum is σ = 1302984144. Its totient is φ = 135336960.

The previous prime is 424525511. The next prime is 424525537. The reversal of 424525536 is 635525424.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 424525536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424525537) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56056 + ... + 63176.

Almost surely, 2^424525536 is an apocalyptic number.

424525536 is a gapful number since it is divisible by the number (46) 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 424525536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651492072).

424525536 is an abundant number, since it is smaller than the sum of its proper divisors (878458608).

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

424525536 is a wasteful number, since it uses less digits than its factorization.

424525536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166 (or 7149 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 424525536 is about 20604.0174723281. The cubic root of 424525536 is about 751.5674100192.

The spelling of 424525536 in words is "four hundred twenty-four million, five hundred twenty-five thousand, five hundred thirty-six".