52018990279416 has 160 divisors (see below), whose sum is σ = 146644463394000. Its totient is φ = 17227770937344.

The previous prime is 52018990279411. The next prime is 52018990279423. The reversal of 52018990279416 is 61497209981025.

52018990279416 is a `hidden beast` number, since 5 + 201 + 8 + 9 + 9 + 0 + 2 + 7 + 9 + 416 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52018990279411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64381015 + ... + 65183993.

Almost surely, 2^{52018990279416} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52018990279416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73322231697000).

52018990279416 is an abundant number, since it is smaller than the sum of its proper divisors (94625473114584).

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

52018990279416 is a wasteful number, since it uses less digits than its factorization.

52018990279416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803643 (or 803630 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 52018990279416 in words is "fifty-two trillion, eighteen billion, nine hundred ninety million, two hundred seventy-nine thousand, four hundred sixteen".