84002420052 has 36 divisors (see below), whose sum is σ = 212930958240. Its totient is φ = 27922805712.

The previous prime is 84002420011. The next prime is 84002420053. The reversal of 84002420052 is 25002420048.

It is a happy number.

84002420052 is a `hidden beast` number, since 8 + 400 + 2 + 4 + 200 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 84002419998 and 84002420025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84002420053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3236938 + ... + 3262785.

It is an arithmetic number, because the mean of its divisors is an integer number (5914748840).

Almost surely, 2^84002420052 is an apocalyptic number.

It is an amenable number.

84002420052 is an abundant number, since it is smaller than the sum of its proper divisors (128928538188).

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

84002420052 is a wasteful number, since it uses less digits than its factorization.

84002420052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500092 (or 6500087 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The spelling of 84002420052 in words is "eighty-four billion, two million, four hundred twenty thousand, fifty-two".