420138604192 has 48 divisors (see below), whose sum is σ = 828683593920. Its totient is φ = 209679579648.

The previous prime is 420138604153. The next prime is 420138604199. The reversal of 420138604192 is 291406831024.

It is not an unprimeable number, because it can be changed into a prime (420138604199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80653684 + ... + 80658892.

It is an arithmetic number, because the mean of its divisors is an integer number (17264241540).

Almost surely, 2^420138604192 is an apocalyptic number.

It is an amenable number.

420138604192 is a deficient number, since it is larger than the sum of its proper divisors (408544989728).

420138604192 is a wasteful number, since it uses less digits than its factorization.

420138604192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413 (or 9405 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 420138604192 in words is "four hundred twenty billion, one hundred thirty-eight million, six hundred four thousand, one hundred ninety-two".