420055556710042 has 8 divisors (see below), whose sum is σ = 687363638252832. Its totient is φ = 190934343959100.

The previous prime is 420055556710033. The next prime is 420055556710051. The reversal of 420055556710042 is 240017655550024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420055556710033) and next prime (420055556710051).

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

It is a junction number, because it is equal to n+sod(n) for n = 420055556709974 and 420055556710001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9546717197934 + ... + 9546717197977.

It is an arithmetic number, because the mean of its divisors is an integer number (85920454781604).

Almost surely, 2^{420055556710042} is an apocalyptic number.

420055556710042 is a deficient number, since it is larger than the sum of its proper divisors (267308081542790).

420055556710042 is a wasteful number, since it uses less digits than its factorization.

420055556710042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19093434395924.

The product of its (nonzero) digits is 1680000, while the sum is 46.

The spelling of 420055556710042 in words is "four hundred twenty trillion, fifty-five billion, five hundred fifty-six million, seven hundred ten thousand, forty-two".