42044380 has 24 divisors (see below), whose sum is σ = 100906848. Its totient is φ = 14415168.

The previous prime is 42044377. The next prime is 42044389. The reversal of 42044380 is 8344024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044389) 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, 150019 + ... + 150298.

It is an arithmetic number, because the mean of its divisors is an integer number (4204452).

Almost surely, 2^42044380 is an apocalyptic number.

It is an amenable number.

42044380 is an abundant number, since it is smaller than the sum of its proper divisors (58862468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42044380 is a wasteful number, since it uses less digits than its factorization.

42044380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300333 (or 300331 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 42044380 is about 6484.1637857167. The cubic root of 42044380 is about 347.7250547731.

It can be divided in two parts, 42044 and 380, that added together give a palindrome (42424).

The spelling of 42044380 in words is "forty-two million, forty-four thousand, three hundred eighty".