42442996 has 12 divisors (see below), whose sum is σ = 76282948. Its totient is φ = 20647872.

The previous prime is 42442993. The next prime is 42442997. The reversal of 42442996 is 69924424.

It can be written as a sum of positive squares in 2 ways, for example, as 32330596 + 10112400 = 5686^2 + 3180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143241 + ... + 143536.

Almost surely, 2^42442996 is an apocalyptic number.

It is an amenable number.

42442996 is a deficient number, since it is larger than the sum of its proper divisors (33839952).

42442996 is a wasteful number, since it uses less digits than its factorization.

42442996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286818 (or 286816 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 42442996 is about 6514.8289309851. The cubic root of 42442996 is about 348.8205085190.

The spelling of 42442996 in words is "forty-two million, four hundred forty-two thousand, nine hundred ninety-six".