42351244 has 12 divisors (see below), whose sum is σ = 79815904. Its totient is φ = 19546704.

The previous prime is 42351227. The next prime is 42351251. The reversal of 42351244 is 44215324.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407172 + ... + 407275.

Almost surely, 2^42351244 is an apocalyptic number.

It is an amenable number.

42351244 is a deficient number, since it is larger than the sum of its proper divisors (37464660).

42351244 is a wasteful number, since it uses less digits than its factorization.

42351244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814464 (or 814462 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 42351244 is about 6507.7833399707. The cubic root of 42351244 is about 348.5689705935.

Adding to 42351244 its reverse (44215324), we get a palindrome (86566568).

The spelling of 42351244 in words is "forty-two million, three hundred fifty-one thousand, two hundred forty-four".