52359237840 has 960 divisors, whose sum is σ = 219060979200. Its totient is φ = 10060775424.

The previous prime is 52359237773. The next prime is 52359237871. The reversal of 52359237840 is 4873295325.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52359237840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 228642846 + ... + 228643074.

It is an arithmetic number, because the mean of its divisors is an integer number (228188520).

Almost surely, 2^52359237840 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 52359237840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109530489600).

52359237840 is an abundant number, since it is smaller than the sum of its proper divisors (166701741360).

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

52359237840 is a wasteful number, since it uses less digits than its factorization.

52359237840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 52359237840 in words is "fifty-two billion, three hundred fifty-nine million, two hundred thirty-seven thousand, eight hundred forty".