63442036 has 24 divisors (see below), whose sum is σ = 127370880. Its totient is φ = 27085152.

The previous prime is 63442031. The next prime is 63442063. The reversal of 63442036 is 63024436.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 63441995 and 63442013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63442031) 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 7 ways as a sum of consecutive naturals, for example, 3321 + ... + 11743.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 2^63442036 is an apocalyptic number.

It is an amenable number.

63442036 is an abundant number, since it is smaller than the sum of its proper divisors (63928844).

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

63442036 is a wasteful number, since it uses less digits than its factorization.

63442036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703 (or 8701 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 63442036 is about 7965.0509100696. The cubic root of 63442036 is about 398.8341804631.

The spelling of 63442036 in words is "sixty-three million, four hundred forty-two thousand, thirty-six".