42412140 has 48 divisors (see below), whose sum is σ = 131950560. Its totient is φ = 11309760.

The previous prime is 42412133. The next prime is 42412151. The reversal of 42412140 is 4121424.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 38731 + ... + 39810.

It is an arithmetic number, because the mean of its divisors is an integer number (2748970).

Almost surely, 2^42412140 is an apocalyptic number.

It is an amenable number.

42412140 is an abundant number, since it is smaller than the sum of its proper divisors (89538420).

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

42412140 is a wasteful number, since it uses less digits than its factorization.

42412140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78559 (or 78551 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 42412140 is about 6512.4603645627. The cubic root of 42412140 is about 348.7359573488.

Adding to 42412140 its reverse (4121424), we get a palindrome (46533564).

The spelling of 42412140 in words is "forty-two million, four hundred twelve thousand, one hundred forty".