42850944 has 80 divisors (see below), whose sum is σ = 127554570. Its totient is φ = 14280192.

The previous prime is 42850937. The next prime is 42850949. The reversal of 42850944 is 44905824.

It can be written as a sum of positive squares in only one way, i.e., 32353344 + 10497600 = 5688^2 + 3240^2 .

It is a super-2 number, since 2×42850944² = 3672406803382272, which contains 22 as substring.

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 = 42850899 and 42850908.

It is not an unprimeable number, because it can be changed into a prime (42850949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8302 + ... + 12434.

Almost surely, 2^42850944 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 42850944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63777285).

42850944 is an abundant number, since it is smaller than the sum of its proper divisors (84703626).

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

42850944 is an equidigital number, since it uses as much as digits as its factorization.

42850944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 42850944 is about 6546.0632444241. The cubic root of 42850944 is about 349.9345292505.

The spelling of 42850944 in words is "forty-two million, eight hundred fifty thousand, nine hundred forty-four".