38660042 has 16 divisors (see below), whose sum is σ = 59725512. Its totient is φ = 18754560.

The previous prime is 38660021. The next prime is 38660051. The reversal of 38660042 is 24006683.

It can be written as a sum of positive squares in 4 ways, for example, as 35628961 + 3031081 = 5969^2 + 1741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38659987 and 38660014.

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, 43442 + ... + 44322.

Almost surely, 2^38660042 is an apocalyptic number.

38660042 is a deficient number, since it is larger than the sum of its proper divisors (21065470).

38660042 is a wasteful number, since it uses less digits than its factorization.

38660042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 38660042 is about 6217.7200001287. The cubic root of 38660042 is about 338.1329087614.

The spelling of 38660042 in words is "thirty-eight million, six hundred sixty thousand, forty-two".