52408666405662 has 64 divisors (see below), whose sum is σ = 121372363130880. Its totient is φ = 14776466425344.

The previous prime is 52408666405651. The next prime is 52408666405679. The reversal of 52408666405662 is 26650466680425.

It is a junction number, because it is equal to n+sod(n) for n = 52408666405596 and 52408666405605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1998048 + ... + 10431180.

It is an arithmetic number, because the mean of its divisors is an integer number (1896443173920).

Almost surely, 2^{52408666405662} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52408666405662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60686181565440).

52408666405662 is an abundant number, since it is smaller than the sum of its proper divisors (68963696725218).

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

52408666405662 is a wasteful number, since it uses less digits than its factorization.

52408666405662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435097.

The product of its (nonzero) digits is 99532800, while the sum is 60.

The spelling of 52408666405662 in words is "fifty-two trillion, four hundred eight billion, six hundred sixty-six million, four hundred five thousand, six hundred sixty-two".