42340444 has 6 divisors (see below), whose sum is σ = 74095784. Its totient is φ = 21170220.

The previous prime is 42340439. The next prime is 42340453. The reversal of 42340444 is 44404324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5292552 + ... + 5292559.

Almost surely, 2^42340444 is an apocalyptic number.

It is an amenable number.

42340444 is a deficient number, since it is larger than the sum of its proper divisors (31755340).

42340444 is a wasteful number, since it uses less digits than its factorization.

42340444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10585115 (or 10585113 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 42340444 is about 6506.9535114368. The cubic root of 42340444 is about 348.5393385247.

Adding to 42340444 its reverse (44404324), we get a palindrome (86744768).

The spelling of 42340444 in words is "forty-two million, three hundred forty thousand, four hundred forty-four".