440054126456465 has 16 divisors (see below), whose sum is σ = 528236736588288. Its totient is φ = 351928793764416.

The previous prime is 440054126456431. The next prime is 440054126456519. The reversal of 440054126456465 is 564654621450044.

It is a cyclic number.

It is not a de Polignac number, because 440054126456465 - 2⁸ = 440054126456209 is a prime.

It is a super-2 number, since 2×440054126456465² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440054126456465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223109432 + ... + 225073158.

It is an arithmetic number, because the mean of its divisors is an integer number (33014796036768).

Almost surely, 2^{440054126456465} is an apocalyptic number.

It is an amenable number.

440054126456465 is a deficient number, since it is larger than the sum of its proper divisors (88182610131823).

440054126456465 is a wasteful number, since it uses less digits than its factorization.

440054126456465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978288.

The product of its (nonzero) digits is 55296000, while the sum is 56.

The spelling of 440054126456465 in words is "four hundred forty trillion, fifty-four billion, one hundred twenty-six million, four hundred fifty-six thousand, four hundred sixty-five".