420134671602 has 144 divisors (see below), whose sum is σ = 973912792320. Its totient is φ = 130808234880.

The previous prime is 420134671577. The next prime is 420134671643. The reversal of 420134671602 is 206176431024.

420134671602 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 3 + 46 + 7 + 1 + 602 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 59345899 + ... + 59352977.

It is an arithmetic number, because the mean of its divisors is an integer number (6763283280).

Almost surely, 2^420134671602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420134671602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486956396160).

420134671602 is an abundant number, since it is smaller than the sum of its proper divisors (553778120718).

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

420134671602 is a wasteful number, since it uses less digits than its factorization.

420134671602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269 (or 7235 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 420134671602 in words is "four hundred twenty billion, one hundred thirty-four million, six hundred seventy-one thousand, six hundred two".