42452025424 has 10 divisors (see below), whose sum is σ = 82250799290. Its totient is φ = 21226012704.

The previous prime is 42452025419. The next prime is 42452025491.

It is a happy number.

42452025424 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 37249000000 + 5203025424 = 193000^2 + 72132^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42452025424.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1326625779 + ... + 1326625810.

It is an arithmetic number, because the mean of its divisors is an integer number (8225079929).

Almost surely, 2^42452025424 is an apocalyptic number.

It is an amenable number.

42452025424 is a deficient number, since it is larger than the sum of its proper divisors (39798773866).

42452025424 is a wasteful number, since it uses less digits than its factorization.

42452025424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653251597 (or 2653251591 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 34.

It can be divided in two parts, 424520 and 25424, that added together give a palindrome (449944).

The spelling of 42452025424 in words is "forty-two billion, four hundred fifty-two million, twenty-five thousand, four hundred twenty-four".