42044363 has 4 divisors (see below), whose sum is σ = 42287568. Its totient is φ = 41801160.

The previous prime is 42044357. The next prime is 42044371. The reversal of 42044363 is 36344024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42044363 - 2²⁴ = 25267147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42044323) 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, 121343 + ... + 121688.

It is an arithmetic number, because the mean of its divisors is an integer number (10571892).

Almost surely, 2^42044363 is an apocalyptic number.

42044363 is a deficient number, since it is larger than the sum of its proper divisors (243205).

42044363 is a wasteful number, since it uses less digits than its factorization.

42044363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243204.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 42044363 is about 6484.1624748305. The cubic root of 42044363 is about 347.7250079074.

Adding to 42044363 its reverse (36344024), we get a palindrome (78388387).

It can be divided in two parts, 420 and 44363, that multiplied together give a triangular number (18632460 = T₆₁₀₄).

The spelling of 42044363 in words is "forty-two million, forty-four thousand, three hundred sixty-three".