52431402320 has 80 divisors (see below), whose sum is σ = 134479517760. Its totient is φ = 18851712000.

The previous prime is 52431402319. The next prime is 52431402487. The reversal of 52431402320 is 2320413425.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 52431402320.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 256406 + ... + 413045.

It is an arithmetic number, because the mean of its divisors is an integer number (1680993972).

Almost surely, 2^52431402320 is an apocalyptic number.

It is an amenable number.

52431402320 is an abundant number, since it is smaller than the sum of its proper divisors (82048115440).

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

52431402320 is a wasteful number, since it uses less digits than its factorization.

52431402320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669564 (or 669558 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 52431402320 its reverse (2320413425), we get a palindrome (54751815745).

The spelling of 52431402320 in words is "fifty-two billion, four hundred thirty-one million, four hundred two thousand, three hundred twenty".