440089969605 has 64 divisors (see below), whose sum is σ = 828717668352. Its totient is φ = 196612957440.

The previous prime is 440089969549. The next prime is 440089969637. The reversal of 440089969605 is 506969980044.

It is not a de Polignac number, because 440089969605 - 2⁶ = 440089969541 is a prime.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1025424 + ... + 1389846.

It is an arithmetic number, because the mean of its divisors is an integer number (12948713568).

Almost surely, 2^440089969605 is an apocalyptic number.

It is an amenable number.

440089969605 is a deficient number, since it is larger than the sum of its proper divisors (388627698747).

440089969605 is a wasteful number, since it uses less digits than its factorization.

440089969605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365018.

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 440089969605 in words is "four hundred forty billion, eighty-nine million, nine hundred sixty-nine thousand, six hundred five".