52099683840 has 320 divisors, whose sum is σ = 186279952320. Its totient is φ = 13801881600.

The previous prime is 52099683833. The next prime is 52099683841. The reversal of 52099683840 is 4838699025.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52099683841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10849440 + ... + 10854240.

It is an arithmetic number, because the mean of its divisors is an integer number (582124851).

Almost surely, 2^52099683840 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 52099683840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93139976160).

52099683840 is an abundant number, since it is smaller than the sum of its proper divisors (134180268480).

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

52099683840 is a wasteful number, since it uses less digits than its factorization.

52099683840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990 (or 4968 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 52099683840 in words is "fifty-two billion, ninety-nine million, six hundred eighty-three thousand, eight hundred forty".