52200040440 has 32 divisors (see below), whose sum is σ = 156600121680. Its totient is φ = 13920010752.

The previous prime is 52200040381. The next prime is 52200040457. The reversal of 52200040440 is 4404000225.

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, 217500049 + ... + 217500288.

Almost surely, 2^52200040440 is an apocalyptic number.

It is an amenable number.

52200040440 is an abundant number, since it is smaller than the sum of its proper divisors (104400081240).

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

52200040440 is a wasteful number, since it uses less digits than its factorization.

52200040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435000351 (or 435000347 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 52200040440 its reverse (4404000225), we get a palindrome (56604040665).

The spelling of 52200040440 in words is "fifty-two billion, two hundred million, forty thousand, four hundred forty".