42259412 has 12 divisors (see below), whose sum is σ = 79642836. Its totient is φ = 19504320.

The previous prime is 42259403. The next prime is 42259423. The reversal of 42259412 is 21495224.

It can be written as a sum of positive squares in 2 ways, for example, as 8549776 + 33709636 = 2924^2 + 5806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406289 + ... + 406392.

It is an arithmetic number, because the mean of its divisors is an integer number (6636903).

Almost surely, 2^42259412 is an apocalyptic number.

It is an amenable number.

42259412 is a deficient number, since it is larger than the sum of its proper divisors (37383424).

42259412 is a wasteful number, since it uses less digits than its factorization.

42259412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812698 (or 812696 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 42259412 is about 6500.7239596833. The cubic root of 42259412 is about 348.3168493124.

The spelling of 42259412 in words is "forty-two million, two hundred fifty-nine thousand, four hundred twelve".