420002002044 has 36 divisors (see below), whose sum is σ = 1061743626216. Its totient is φ = 139991186208.

The previous prime is 420002002039. The next prime is 420002002073. The reversal of 420002002044 is 440200200024.

420002002044 is a `hidden beast` number, since 420 + 0 + 0 + 200 + 2 + 0 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 154387 + ... + 929429.

It is an arithmetic number, because the mean of its divisors is an integer number (29492878506).

Almost surely, 2^420002002044 is an apocalyptic number.

It is an amenable number.

420002002044 is an abundant number, since it is smaller than the sum of its proper divisors (641741624172).

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

420002002044 is a wasteful number, since it uses less digits than its factorization.

420002002044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790106 (or 790101 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 420002002044 its reverse (440200200024), we get a palindrome (860202202068).

The spelling of 420002002044 in words is "four hundred twenty billion, two million, two thousand, forty-four".