42234544 has 40 divisors (see below), whose sum is σ = 89668368. Its totient is φ = 19111680.

The previous prime is 42234539. The next prime is 42234547. The reversal of 42234544 is 44543224.

It is not an unprimeable number, because it can be changed into a prime (42234547) 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, 55414 + ... + 56170.

Almost surely, 2^42234544 is an apocalyptic number.

42234544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42234544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44834184).

42234544 is an abundant number, since it is smaller than the sum of its proper divisors (47433824).

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

42234544 is a wasteful number, since it uses less digits than its factorization.

42234544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1087 counting only the distinct ones).

The product of its digits is 15360, while the sum is 28.

The square root of 42234544 is about 6498.8109681695. The cubic root of 42234544 is about 348.2485123225.

Adding to 42234544 its reverse (44543224), we get a palindrome (86777768).

It can be divided in two parts, 42234 and 544, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42234544 in words is "forty-two million, two hundred thirty-four thousand, five hundred forty-four".