63944242 has 16 divisors (see below), whose sum is σ = 101958912. Its totient is φ = 29972800.

The previous prime is 63944207. The next prime is 63944261. The reversal of 63944242 is 24244936.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 63944198 and 63944207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5367 + ... + 12517.

It is an arithmetic number, because the mean of its divisors is an integer number (6372432).

Almost surely, 2^63944242 is an apocalyptic number.

63944242 is a deficient number, since it is larger than the sum of its proper divisors (38014670).

63944242 is a wasteful number, since it uses less digits than its factorization.

63944242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433.

The product of its digits is 41472, while the sum is 34.

The square root of 63944242 is about 7996.5143656471. The cubic root of 63944242 is about 399.8838037493.

The spelling of 63944242 in words is "sixty-three million, nine hundred forty-four thousand, two hundred forty-two".