440343432123020 has 24 divisors (see below), whose sum is σ = 924753635671824. Its totient is φ = 176131196046656.

The previous prime is 440343432123013. The next prime is 440343432123047. The reversal of 440343432123020 is 20321234343044.

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, 385465562 + ... + 386606241.

It is an arithmetic number, because the mean of its divisors is an integer number (38531401486326).

Almost surely, 2^{440343432123020} is an apocalyptic number.

It is an amenable number.

440343432123020 is an abundant number, since it is smaller than the sum of its proper divisors (484410203548804).

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

440343432123020 is a wasteful number, since it uses less digits than its factorization.

440343432123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772100329 (or 772100327 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 440343432123020 its reverse (20321234343044), we get a palindrome (460664666466064).

The spelling of 440343432123020 in words is "four hundred forty trillion, three hundred forty-three billion, four hundred thirty-two million, one hundred twenty-three thousand, twenty".