420538675847424 has 36 divisors (see below), whose sum is σ = 1119246163325136. Its totient is φ = 140179558615552.

The previous prime is 420538675847417. The next prime is 420538675847429. The reversal of 420538675847424 is 424748576835024.

It is not an unprimeable number, because it can be changed into a prime (420538675847429) 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, 273788199654 + ... + 273788201189.

It is an arithmetic number, because the mean of its divisors is an integer number (31090171203476).

Almost surely, 2^{420538675847424} is an apocalyptic number.

It is an amenable number.

420538675847424 is an abundant number, since it is smaller than the sum of its proper divisors (698707487477712).

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

420538675847424 is an equidigital number, since it uses as much as digits as its factorization.

420538675847424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547576400862 (or 547576400848 counting only the distinct ones).

The product of its (nonzero) digits is 1445068800, while the sum is 69.

The spelling of 420538675847424 in words is "four hundred twenty trillion, five hundred thirty-eight billion, six hundred seventy-five million, eight hundred forty-seven thousand, four hundred twenty-four".