63042040 has 32 divisors (see below), whose sum is σ = 144866880. Its totient is φ = 24679552.

The previous prime is 63042037. The next prime is 63042041. The reversal of 63042040 is 4024036.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 63041999 and 63042017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63042041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14887 + ... + 18646.

It is an arithmetic number, because the mean of its divisors is an integer number (4527090).

Almost surely, 2^63042040 is an apocalyptic number.

It is an amenable number.

63042040 is an abundant number, since it is smaller than the sum of its proper divisors (81824840).

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

63042040 is a wasteful number, since it uses less digits than its factorization.

63042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33591 (or 33587 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 63042040 is about 7939.9017626165. The cubic root of 63042040 is about 397.9942088162.

Adding to 63042040 its reverse (4024036), we get a palindrome (67066076).

The spelling of 63042040 in words is "sixty-three million, forty-two thousand, forty".