420055797143684 has 24 divisors (see below), whose sum is σ = 791644454713728. Its totient is φ = 193871701389600.

The previous prime is 420055797143677. The next prime is 420055797143771. The reversal of 420055797143684 is 486341797550024.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 420055797143684.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52594919 + ... + 60052785.

It is an arithmetic number, because the mean of its divisors is an integer number (32985185613072).

It is a 2-persistent number, because it is pandigital, and so is 2⋅420055797143684 = 840111594287368, but 3⋅420055797143684 = 1260167391431052 is not.

Almost surely, 2^{420055797143684} is an apocalyptic number.

It is an amenable number.

420055797143684 is a deficient number, since it is larger than the sum of its proper divisors (371588657570044).

420055797143684 is a wasteful number, since it uses less digits than its factorization.

420055797143684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541035 (or 8541033 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 65.

The spelling of 420055797143684 in words is "four hundred twenty trillion, fifty-five billion, seven hundred ninety-seven million, one hundred forty-three thousand, six hundred eighty-four".