440214213321 has 16 divisors (see below), whose sum is σ = 656929569600. Its totient is φ = 291333978144.

The previous prime is 440214213289. The next prime is 440214213343. The reversal of 440214213321 is 123312412044.

440214213321 is a `hidden beast` number, since 4 + 402 + 14 + 213 + 32 + 1 = 666.

It is not a de Polignac number, because 440214213321 - 2⁵ = 440214213289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (440216213321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59500791 + ... + 59508188.

It is an arithmetic number, because the mean of its divisors is an integer number (41058098100).

Almost surely, 2^440214213321 is an apocalyptic number.

It is an amenable number.

440214213321 is a deficient number, since it is larger than the sum of its proper divisors (216715356279).

440214213321 is a wasteful number, since it uses less digits than its factorization.

440214213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119009125 (or 119009119 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 440214213321 its reverse (123312412044), we get a palindrome (563526625365).

The spelling of 440214213321 in words is "four hundred forty billion, two hundred fourteen million, two hundred thirteen thousand, three hundred twenty-one".