420000242000 has 80 divisors (see below), whose sum is σ = 1015754136384. Its totient is φ = 167968080000.

The previous prime is 420000241943. The next prime is 420000242033. The reversal of 420000242000 is 242000024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 12405095 + ... + 12438905.

Almost surely, 2^420000242000 is an apocalyptic number.

420000242000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420000242000 is an abundant number, since it is smaller than the sum of its proper divisors (595753894384).

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

420000242000 is a wasteful number, since it uses less digits than its factorization.

420000242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40045 (or 40029 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 420000242000 its reverse (242000024), we get a palindrome (420242242024).

The spelling of 420000242000 in words is "four hundred twenty billion, two hundred forty-two thousand".