440554142120 has 16 divisors (see below), whose sum is σ = 991246819860. Its totient is φ = 176221656832.

The previous prime is 440554142087. The next prime is 440554142167. The reversal of 440554142120 is 21241455044.

It can be written as a sum of positive squares in 2 ways, for example, as 438172506916 + 2381635204 = 661946^2 + 48802^2 .

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, 5506926737 + ... + 5506926816.

Almost surely, 2^440554142120 is an apocalyptic number.

440554142120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440554142120 is an abundant number, since it is smaller than the sum of its proper divisors (550692677740).

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

440554142120 is a wasteful number, since it uses less digits than its factorization.

440554142120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11013853564 (or 11013853560 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 440554142120 its reverse (21241455044), we get a palindrome (461795597164).

The spelling of 440554142120 in words is "four hundred forty billion, five hundred fifty-four million, one hundred forty-two thousand, one hundred twenty".