440344221400 has 24 divisors (see below), whose sum is σ = 1023800315220. Its totient is φ = 176137688480.

The previous prime is 440344221379. The next prime is 440344221439. The reversal of 440344221400 is 4122443044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1100860354 + ... + 1100860753.

Almost surely, 2^440344221400 is an apocalyptic number.

440344221400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440344221400 is an abundant number, since it is smaller than the sum of its proper divisors (583456093820).

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

440344221400 is a wasteful number, since it uses less digits than its factorization.

440344221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201721123 (or 2201721114 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 440344221400 its reverse (4122443044), we get a palindrome (444466664444).

The spelling of 440344221400 in words is "four hundred forty billion, three hundred forty-four million, two hundred twenty-one thousand, four hundred".