4042622844 has 168 divisors, whose sum is σ = 11671141440. Its totient is φ = 1216881792.

The previous prime is 4042622827. The next prime is 4042622861. The reversal of 4042622844 is 4482262404.

It is a happy number.

4042622844 is a `hidden beast` number, since 4 + 0 + 426 + 228 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (4042622827) and next prime (4042622861).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4042622799 and 4042622808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1780542 + ... + 1782810.

It is an arithmetic number, because the mean of its divisors is an integer number (69471080).

Almost surely, 2^4042622844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4042622844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5835570720).

4042622844 is an abundant number, since it is smaller than the sum of its proper divisors (7628518596).

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

4042622844 is a wasteful number, since it uses less digits than its factorization.

4042622844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

The square root of 4042622844 is about 63581.6234772281. The cubic root of 4042622844 is about 1593.0194386214.

The spelling of 4042622844 in words is "four billion, forty-two million, six hundred twenty-two thousand, eight hundred forty-four".