52022443440 has 240 divisors, whose sum is σ = 182213980416. Its totient is φ = 12176102400.

The previous prime is 52022443439. The next prime is 52022443477. The reversal of 52022443440 is 4434422025.

It is a tau number, because it is divible by the number of its divisors (240).

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 = 52022443398 and 52022443407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2208525 + ... + 2231955.

Almost surely, 2^52022443440 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 52022443440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91106990208).

52022443440 is an abundant number, since it is smaller than the sum of its proper divisors (130191536976).

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

52022443440 is a wasteful number, since it uses less digits than its factorization.

52022443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23516 (or 23481 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 52022443440 its reverse (4434422025), we get a palindrome (56456865465).

The spelling of 52022443440 in words is "fifty-two billion, twenty-two million, four hundred forty-three thousand, four hundred forty".