52522443440 has 20 divisors (see below), whose sum is σ = 122114681184. Its totient is φ = 21008977344.

The previous prime is 52522443427. The next prime is 52522443497. The reversal of 52522443440 is 4434422525.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 52522443440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328265192 + ... + 328265351.

Almost surely, 2^52522443440 is an apocalyptic number.

It is an amenable number.

52522443440 is an abundant number, since it is smaller than the sum of its proper divisors (69592237744).

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

52522443440 is a wasteful number, since it uses less digits than its factorization.

52522443440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656530556 (or 656530550 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 52522443440 its reverse (4434422525), we get a palindrome (56956865965).

The spelling of 52522443440 in words is "fifty-two billion, five hundred twenty-two million, four hundred forty-three thousand, four hundred forty".