42354444 has 24 divisors (see below), whose sum is σ = 107811648. Its totient is φ = 12834640.

The previous prime is 42354437. The next prime is 42354449. The reversal of 42354444 is 44445324.

It is not an unprimeable number, because it can be changed into a prime (42354449) 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, 160302 + ... + 160565.

It is an arithmetic number, because the mean of its divisors is an integer number (4492152).

Almost surely, 2^42354444 is an apocalyptic number.

42354444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42354444 is an abundant number, since it is smaller than the sum of its proper divisors (65457204).

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

42354444 is a wasteful number, since it uses less digits than its factorization.

42354444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320885 (or 320883 counting only the distinct ones).

The product of its digits is 30720, while the sum is 30.

The square root of 42354444 is about 6508.0291947716. The cubic root of 42354444 is about 348.5777494983.

Adding to 42354444 its reverse (44445324), we get a palindrome (86799768).

The spelling of 42354444 in words is "forty-two million, three hundred fifty-four thousand, four hundred forty-four".