52644818405 has 8 divisors (see below), whose sum is σ = 63175029792. Its totient is φ = 42115022928.

The previous prime is 52644818371. The next prime is 52644818407. The reversal of 52644818405 is 50481844625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52644818405 - 2¹² = 52644814309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52644818405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52644818407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375554 + ... + 496316.

It is an arithmetic number, because the mean of its divisors is an integer number (7896878724).

Almost surely, 2^52644818405 is an apocalyptic number.

It is an amenable number.

52644818405 is a deficient number, since it is larger than the sum of its proper divisors (10530211387).

52644818405 is a wasteful number, since it uses less digits than its factorization.

52644818405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207955.

The product of its (nonzero) digits is 1228800, while the sum is 47.

The spelling of 52644818405 in words is "fifty-two billion, six hundred forty-four million, eight hundred eighteen thousand, four hundred five".