52422313440 has 192 divisors, whose sum is σ = 188818560000. Its totient is φ = 11976007680.

The previous prime is 52422313403. The next prime is 52422313481. The reversal of 52422313440 is 4431322425.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 52422313398 and 52422313407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10484061 + ... + 10489059.

It is an arithmetic number, because the mean of its divisors is an integer number (983430000).

Almost surely, 2^52422313440 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 52422313440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94409280000).

52422313440 is an abundant number, since it is smaller than the sum of its proper divisors (136396246560).

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

52422313440 is a wasteful number, since it uses less digits than its factorization.

52422313440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145 (or 8137 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 52422313440 its reverse (4431322425), we get a palindrome (56853635865).

The spelling of 52422313440 in words is "fifty-two billion, four hundred twenty-two million, three hundred thirteen thousand, four hundred forty".