440456146565426 has 16 divisors (see below), whose sum is σ = 673476223226400. Its totient is φ = 215997779675808.

The previous prime is 440456146565401. The next prime is 440456146565437. The reversal of 440456146565426 is 624565641654044.

It is a super-2 number, since 2×440456146565426² (a number of 30 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 8426853536 + ... + 8426905803.

It is an arithmetic number, because the mean of its divisors is an integer number (42092263951650).

Almost surely, 2^{440456146565426} is an apocalyptic number.

440456146565426 is a deficient number, since it is larger than the sum of its proper divisors (233020076660974).

440456146565426 is a wasteful number, since it uses less digits than its factorization.

440456146565426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16853759593.

The product of its (nonzero) digits is 331776000, while the sum is 62.

The spelling of 440456146565426 in words is "four hundred forty trillion, four hundred fifty-six billion, one hundred forty-six million, five hundred sixty-five thousand, four hundred twenty-six".