42351044 has 24 divisors (see below), whose sum is σ = 76544160. Its totient is φ = 20490624.

The previous prime is 42351041. The next prime is 42351059. The reversal of 42351044 is 44015324.

It is a super-2 number, since 2×42351044² = 3587221855779872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42351041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18347 + ... + 20525.

It is an arithmetic number, because the mean of its divisors is an integer number (3189340).

Almost surely, 2^42351044 is an apocalyptic number.

It is an amenable number.

42351044 is a deficient number, since it is larger than the sum of its proper divisors (34193116).

42351044 is a wasteful number, since it uses less digits than its factorization.

42351044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42351044 is about 6507.7679737372. The cubic root of 42351044 is about 348.5684218973.

Adding to 42351044 its reverse (44015324), we get a palindrome (86366368).

The spelling of 42351044 in words is "forty-two million, three hundred fifty-one thousand, forty-four".