42351612 has 12 divisors (see below), whose sum is σ = 98820456. Its totient is φ = 14117200.

The previous prime is 42351593. The next prime is 42351613. The reversal of 42351612 is 21615324.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764639 + ... + 1764662.

It is an arithmetic number, because the mean of its divisors is an integer number (8235038).

Almost surely, 2^42351612 is an apocalyptic number.

It is an amenable number.

42351612 is an abundant number, since it is smaller than the sum of its proper divisors (56468844).

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

42351612 is a wasteful number, since it uses less digits than its factorization.

42351612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529308 (or 3529306 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 42351612 is about 6507.8116137454. The cubic root of 42351612 is about 348.5699801900.

Adding to 42351612 its reverse (21615324), we get a palindrome (63966936).

The spelling of 42351612 in words is "forty-two million, three hundred fifty-one thousand, six hundred twelve".