8284042420 has 48 divisors (see below), whose sum is σ = 17679993408. Its totient is φ = 3259952640.

The previous prime is 8284042391. The next prime is 8284042423. The reversal of 8284042420 is 242404828.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8284042423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389707 + ... + 410413.

It is an arithmetic number, because the mean of its divisors is an integer number (368333196).

Almost surely, 2^8284042420 is an apocalyptic number.

It is an amenable number.

8284042420 is an abundant number, since it is smaller than the sum of its proper divisors (9395950988).

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

8284042420 is a wasteful number, since it uses less digits than its factorization.

8284042420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21040 (or 21038 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 34.

The square root of 8284042420 is about 91016.7150582793. The cubic root of 8284042420 is about 2023.3954607540.

The spelling of 8284042420 in words is "eight billion, two hundred eighty-four million, forty-two thousand, four hundred twenty".