42049835 has 8 divisors (see below), whose sum is σ = 50960016. Its totient is φ = 33306400.

The previous prime is 42049817. The next prime is 42049837. The reversal of 42049835 is 53894024.

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

It is not a de Polignac number, because 42049835 - 2¹² = 42045739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42049795 and 42049804.

It is not an unprimeable number, because it can be changed into a prime (42049837) 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, 41129 + ... + 42138.

It is an arithmetic number, because the mean of its divisors is an integer number (6370002).

Almost surely, 2^42049835 is an apocalyptic number.

42049835 is a deficient number, since it is larger than the sum of its proper divisors (8910181).

42049835 is a wasteful number, since it uses less digits than its factorization.

42049835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83373.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 42049835 is about 6484.5844122812. The cubic root of 42049835 is about 347.7400925193.

The spelling of 42049835 in words is "forty-two million, forty-nine thousand, eight hundred thirty-five".