440451423423055 has 24 divisors (see below), whose sum is σ = 581559853333536. Its totient is φ = 319997047634880.

The previous prime is 440451423422999. The next prime is 440451423423127. The reversal of 440451423423055 is 550324324154044.

It is not a de Polignac number, because 440451423423055 - 2¹⁷ = 440451423291983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440451423422996 and 440451423423014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375846652 + ... + 377016721.

It is an arithmetic number, because the mean of its divisors is an integer number (24231660555564).

Almost surely, 2^{440451423423055} is an apocalyptic number.

440451423423055 is a deficient number, since it is larger than the sum of its proper divisors (141108429910481).

440451423423055 is a wasteful number, since it uses less digits than its factorization.

440451423423055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752864367 (or 752864356 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 46.

Adding to 440451423423055 its reverse (550324324154044), we get a palindrome (990775747577099).

The spelling of 440451423423055 in words is "four hundred forty trillion, four hundred fifty-one billion, four hundred twenty-three million, four hundred twenty-three thousand, fifty-five".