440120166522550 has 24 divisors (see below), whose sum is σ = 866777833835496. Its totient is φ = 165692297984640.

The previous prime is 440120166522473. The next prime is 440120166522563. The reversal of 440120166522550 is 55225661021044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 440120166522497 and 440120166522506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258894214752 + ... + 258894216451.

It is an arithmetic number, because the mean of its divisors is an integer number (36115743076479).

Almost surely, 2^{440120166522550} is an apocalyptic number.

440120166522550 is a deficient number, since it is larger than the sum of its proper divisors (426657667312946).

440120166522550 is a wasteful number, since it uses less digits than its factorization.

440120166522550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517788431232 (or 517788431227 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 440120166522550 in words is "four hundred forty trillion, one hundred twenty billion, one hundred sixty-six million, five hundred twenty-two thousand, five hundred fifty".