420431050305842 has 8 divisors (see below), whose sum is σ = 633815653728000. Its totient is φ = 209159165729844.

The previous prime is 420431050305841. The next prime is 420431050305853. The reversal of 420431050305842 is 248503050134024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×420431050305842² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420431050305842.

It is not an unprimeable number, because it can be changed into a prime (420431050305841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528179711042 + ... + 528179711837.

It is an arithmetic number, because the mean of its divisors is an integer number (79226956716000).

Almost surely, 2^{420431050305842} is an apocalyptic number.

420431050305842 is a deficient number, since it is larger than the sum of its proper divisors (213384603422158).

420431050305842 is a wasteful number, since it uses less digits than its factorization.

420431050305842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056359423080.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 420431050305842 in words is "four hundred twenty trillion, four hundred thirty-one billion, fifty million, three hundred five thousand, eight hundred forty-two".