420442341446 has 32 divisors (see below), whose sum is σ = 720821903040. Its totient is φ = 182726849536.

The previous prime is 420442341433. The next prime is 420442341509. The reversal of 420442341446 is 644143244024.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9247151 + ... + 9292506.

It is an arithmetic number, because the mean of its divisors is an integer number (22525684470).

Almost surely, 2^420442341446 is an apocalyptic number.

420442341446 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

420442341446 is a deficient number, since it is larger than the sum of its proper divisors (300379561594).

420442341446 is a wasteful number, since it uses less digits than its factorization.

420442341446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18539728.

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 420442341446 in words is "four hundred twenty billion, four hundred forty-two million, three hundred forty-one thousand, four hundred forty-six".