440455545453 has 64 divisors (see below), whose sum is σ = 757623398400. Its totient is φ = 220862799360.

The previous prime is 440455545451. The next prime is 440455545463. The reversal of 440455545453 is 354545554044.

It is not a de Polignac number, because 440455545453 - 2¹ = 440455545451 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440455545451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45501468 + ... + 45511146.

It is an arithmetic number, because the mean of its divisors is an integer number (11837865600).

Almost surely, 2^440455545453 is an apocalyptic number.

It is an amenable number.

440455545453 is a deficient number, since it is larger than the sum of its proper divisors (317167852947).

440455545453 is a wasteful number, since it uses less digits than its factorization.

440455545453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16522.

The product of its (nonzero) digits is 9600000, while the sum is 48.

The spelling of 440455545453 in words is "four hundred forty billion, four hundred fifty-five million, five hundred forty-five thousand, four hundred fifty-three".