440000542432 has 24 divisors (see below), whose sum is σ = 945001165752. Its totient is φ = 200000246400.

The previous prime is 440000542411. The next prime is 440000542439. The reversal of 440000542432 is 234245000044.

It is a self number, because there is not a number n which added to its sum of digits gives 440000542432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440000542439) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 625000419 + ... + 625001122.

It is an arithmetic number, because the mean of its divisors is an integer number (39375048573).

Almost surely, 2^440000542432 is an apocalyptic number.

It is an amenable number.

440000542432 is an abundant number, since it is smaller than the sum of its proper divisors (505000623320).

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

440000542432 is a wasteful number, since it uses less digits than its factorization.

440000542432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250001562 (or 1250001554 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 440000542432 its reverse (234245000044), we get a palindrome (674245542476).

The spelling of 440000542432 in words is "four hundred forty billion, five hundred forty-two thousand, four hundred thirty-two".