52378337280 has 144 divisors (see below), whose sum is σ = 167616331344. Its totient is φ = 13967032320.

The previous prime is 52378337257. The next prime is 52378337293. The reversal of 52378337280 is 8273387325.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952760 + ... + 1979400.

It is an arithmetic number, because the mean of its divisors is an integer number (1164002301).

Almost surely, 2^52378337280 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 52378337280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83808165672).

52378337280 is an abundant number, since it is smaller than the sum of its proper divisors (115237994064).

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

52378337280 is an frugal number, since it uses more digits than its factorization.

52378337280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26683 (or 26651 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 52378337280 in words is "fifty-two billion, three hundred seventy-eight million, three hundred thirty-seven thousand, two hundred eighty".