425543240 has 32 divisors (see below), whose sum is σ = 999103680. Its totient is φ = 162816192.

The previous prime is 425543213. The next prime is 425543243. The reversal of 425543240 is 42345524.

It is not an unprimeable number, because it can be changed into a prime (425543243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230354 + ... + 232193.

It is an arithmetic number, because the mean of its divisors is an integer number (31221990).

Almost surely, 2^425543240 is an apocalyptic number.

425543240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425543240 is an abundant number, since it is smaller than the sum of its proper divisors (573560440).

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

425543240 is a wasteful number, since it uses less digits than its factorization.

425543240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462581 (or 462577 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 425543240 is about 20628.6994258000. The cubic root of 425543240 is about 752.1675017324.

Adding to 425543240 its reverse (42345524), we get a palindrome (467888764).

The spelling of 425543240 in words is "four hundred twenty-five million, five hundred forty-three thousand, two hundred forty".