440021052443 has 8 divisors (see below), whose sum is σ = 505039493088. Its totient is φ = 375542184384.

The previous prime is 440021052439. The next prime is 440021052473. The reversal of 440021052443 is 344250120044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440021052443 - 2² = 440021052439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440021052403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134891396 + ... + 134894657.

It is an arithmetic number, because the mean of its divisors is an integer number (63129936636).

Almost surely, 2^440021052443 is an apocalyptic number.

440021052443 is a deficient number, since it is larger than the sum of its proper divisors (65018440645).

440021052443 is a wasteful number, since it uses less digits than its factorization.

440021052443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269786293.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 440021052443 its reverse (344250120044), we get a palindrome (784271172487).

The spelling of 440021052443 in words is "four hundred forty billion, twenty-one million, fifty-two thousand, four hundred forty-three".