42500038 has 8 divisors (see below), whose sum is σ = 72857232. Its totient is φ = 18214296.

The previous prime is 42500033. The next prime is 42500047. The reversal of 42500038 is 83000524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42499991 and 42500018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517845 + ... + 1517872.

It is an arithmetic number, because the mean of its divisors is an integer number (9107154).

Almost surely, 2^42500038 is an apocalyptic number.

42500038 is a deficient number, since it is larger than the sum of its proper divisors (30357194).

42500038 is a wasteful number, since it uses less digits than its factorization.

42500038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035726.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42500038 is about 6519.2053196690. The cubic root of 42500038 is about 348.9767063541.

The spelling of 42500038 in words is "forty-two million, five hundred thousand, thirty-eight".