412440142 has 4 divisors (see below), whose sum is σ = 618660216. Its totient is φ = 206220070.

The previous prime is 412440139. The next prime is 412440143. The reversal of 412440142 is 241044214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241044214 = 2 ⋅120522107.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412440143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103110034 + ... + 103110037.

It is an arithmetic number, because the mean of its divisors is an integer number (154665054).

Almost surely, 2^412440142 is an apocalyptic number.

412440142 is a deficient number, since it is larger than the sum of its proper divisors (206220074).

412440142 is a wasteful number, since it uses less digits than its factorization.

412440142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206220073.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 412440142 is about 20308.6223560339. The cubic root of 412440142 is about 744.3667678976.

Adding to 412440142 its reverse (241044214), we get a palindrome (653484356).

The spelling of 412440142 in words is "four hundred twelve million, four hundred forty thousand, one hundred forty-two".