52105430140 has 48 divisors (see below), whose sum is σ = 115200731520. Its totient is φ = 19741734720.

The previous prime is 52105430123. The next prime is 52105430147. The reversal of 52105430140 is 4103450125.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52105430147) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3447039 + ... + 3462121.

It is an arithmetic number, because the mean of its divisors is an integer number (2400015240).

Almost surely, 2^52105430140 is an apocalyptic number.

It is an amenable number.

52105430140 is an abundant number, since it is smaller than the sum of its proper divisors (63095301380).

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

52105430140 is a wasteful number, since it uses less digits than its factorization.

52105430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24202 (or 24200 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 52105430140 its reverse (4103450125), we get a palindrome (56208880265).

The spelling of 52105430140 in words is "fifty-two billion, one hundred five million, four hundred thirty thousand, one hundred forty".