440061644631453 has 8 divisors (see below), whose sum is σ = 631883387163168. Its totient is φ = 270807165927024.

The previous prime is 440061644631397. The next prime is 440061644631457. The reversal of 440061644631453 is 354136446160044.

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

It is not a de Polignac number, because 440061644631453 - 2²⁰ = 440061643582877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440061644631396 and 440061644631405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440061644631457) 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, 5641815956775 + ... + 5641815956852.

It is an arithmetic number, because the mean of its divisors is an integer number (78985423395396).

Almost surely, 2^{440061644631453} is an apocalyptic number.

It is an amenable number.

440061644631453 is a deficient number, since it is larger than the sum of its proper divisors (191821742531715).

440061644631453 is a wasteful number, since it uses less digits than its factorization.

440061644631453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11283631913643.

The product of its (nonzero) digits is 9953280, while the sum is 51.

The spelling of 440061644631453 in words is "four hundred forty trillion, sixty-one billion, six hundred forty-four million, six hundred thirty-one thousand, four hundred fifty-three".