420000044394 has 16 divisors (see below), whose sum is σ = 960000101568. Its totient is φ = 120000012672.

The previous prime is 420000044363. The next prime is 420000044449. The reversal of 420000044394 is 493440000024.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000000487 + ... + 5000000570.

It is an arithmetic number, because the mean of its divisors is an integer number (60000006348).

Almost surely, 2^420000044394 is an apocalyptic number.

420000044394 is an abundant number, since it is smaller than the sum of its proper divisors (540000057174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420000044394 is a wasteful number, since it uses less digits than its factorization.

420000044394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000001069.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 420000044394 in words is "four hundred twenty billion, forty-four thousand, three hundred ninety-four".