42838056844 has 48 divisors (see below), whose sum is σ = 82682603136. Its totient is φ = 19257638400.

The previous prime is 42838056841. The next prime is 42838056857. The reversal of 42838056844 is 44865083824.

It is a super-2 number, since 2×42838056844² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42838056791 and 42838056800.

It is not an unprimeable number, because it can be changed into a prime (42838056841) 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, 8546299 + ... + 8551309.

It is an arithmetic number, because the mean of its divisors is an integer number (1722554232).

Almost surely, 2^42838056844 is an apocalyptic number.

42838056844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42838056844 is a deficient number, since it is larger than the sum of its proper divisors (39844546292).

42838056844 is a wasteful number, since it uses less digits than its factorization.

42838056844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7126 (or 7124 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 52.

The spelling of 42838056844 in words is "forty-two billion, eight hundred thirty-eight million, fifty-six thousand, eight hundred forty-four".