42452253440 has 36 divisors (see below), whose sum is σ = 101686416384. Its totient is φ = 16980900864.

The previous prime is 42452253419. The next prime is 42452253469. The reversal of 42452253440 is 4435225424.

It is a self number, because there is not a number n which added to its sum of digits gives 42452253440.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16581632 + ... + 16584191.

Almost surely, 2^42452253440 is an apocalyptic number.

42452253440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42452253440 is an abundant number, since it is smaller than the sum of its proper divisors (59234162944).

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

42452253440 is an equidigital number, since it uses as much as digits as its factorization.

42452253440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33165844 (or 33165830 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 42452253440 its reverse (4435225424), we get a palindrome (46887478864).

The spelling of 42452253440 in words is "forty-two billion, four hundred fifty-two million, two hundred fifty-three thousand, four hundred forty".