2842138420 has 24 divisors (see below), whose sum is σ = 6511081248. Its totient is φ = 1033504800.

The previous prime is 2842138399. The next prime is 2842138423. The reversal of 2842138420 is 248312482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2842138423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6459186 + ... + 6459625.

It is an arithmetic number, because the mean of its divisors is an integer number (271295052).

Almost surely, 2^2842138420 is an apocalyptic number.

2842138420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2842138420 is an abundant number, since it is smaller than the sum of its proper divisors (3668942828).

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

2842138420 is a wasteful number, since it uses less digits than its factorization.

2842138420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918831 (or 12918829 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 2842138420 is about 53311.7099706997. The cubic root of 2842138420 is about 1416.4950955004.

The spelling of 2842138420 in words is "two billion, eight hundred forty-two million, one hundred thirty-eight thousand, four hundred twenty".