42044433 has 8 divisors (see below), whose sum is σ = 56978496. Its totient is φ = 27570000.

The previous prime is 42044419. The next prime is 42044441. The reversal of 42044433 is 33444024.

It is a happy number.

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

It is not a de Polignac number, because 42044433 - 2⁹ = 42043921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42044413) 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, 114693 + ... + 115058.

It is an arithmetic number, because the mean of its divisors is an integer number (7122312).

Almost surely, 2^42044433 is an apocalyptic number.

It is an amenable number.

42044433 is a deficient number, since it is larger than the sum of its proper divisors (14934063).

42044433 is a wasteful number, since it uses less digits than its factorization.

42044433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229815.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 42044433 is about 6484.1678725955. The cubic root of 42044433 is about 347.7252008840.

Adding to 42044433 its reverse (33444024), we get a palindrome (75488457).

The spelling of 42044433 in words is "forty-two million, forty-four thousand, four hundred thirty-three".