42044511 has 16 divisors (see below), whose sum is σ = 59763200. Its totient is φ = 26215488.

The previous prime is 42044501. The next prime is 42044531. The reversal of 42044511 is 11544024.

It is a happy number.

It is not a de Polignac number, because 42044511 - 2⁵ = 42044479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166 + ... + 9171.

It is an arithmetic number, because the mean of its divisors is an integer number (3735200).

Almost surely, 2^42044511 is an apocalyptic number.

42044511 is a deficient number, since it is larger than the sum of its proper divisors (17718689).

42044511 is a wasteful number, since it uses less digits than its factorization.

42044511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9438.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 42044511 is about 6484.1738872427. The cubic root of 42044511 is about 347.7254159148.

Adding to 42044511 its reverse (11544024), we get a palindrome (53588535).

The spelling of 42044511 in words is "forty-two million, forty-four thousand, five hundred eleven".