38280042 has 24 divisors (see below), whose sum is σ = 83341440. Its totient is φ = 12698280.

The previous prime is 38280023. The next prime is 38280049. The reversal of 38280042 is 24008283.

It is a junction number, because it is equal to n+sod(n) for n = 38279988 and 38280015.

It is not an unprimeable number, because it can be changed into a prime (38280049) 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 11 ways as a sum of consecutive naturals, for example, 1242 + ... + 8837.

It is an arithmetic number, because the mean of its divisors is an integer number (3472560).

Almost surely, 2^38280042 is an apocalyptic number.

38280042 is an abundant number, since it is smaller than the sum of its proper divisors (45061398).

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

38280042 is a wasteful number, since it uses less digits than its factorization.

38280042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298 (or 10295 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 38280042 is about 6187.0867134702. The cubic root of 38280042 is about 337.0213923909.

The spelling of 38280042 in words is "thirty-eight million, two hundred eighty thousand, forty-two".