42044099 has 4 divisors (see below), whose sum is σ = 43180464. Its totient is φ = 40907736.

The previous prime is 42044089. The next prime is 42044117. The reversal of 42044099 is 99044024.

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 42044099 - 2⁴ = 42044083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42044059) 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, 568127 + ... + 568200.

It is an arithmetic number, because the mean of its divisors is an integer number (10795116).

Almost surely, 2^42044099 is an apocalyptic number.

42044099 is a deficient number, since it is larger than the sum of its proper divisors (1136365).

42044099 is a wasteful number, since it uses less digits than its factorization.

42044099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136364.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 42044099 is about 6484.1421175048. The cubic root of 42044099 is about 347.7242801079.

The spelling of 42044099 in words is "forty-two million, forty-four thousand, ninety-nine".