42162442 has 24 divisors (see below), whose sum is σ = 73954080. Its totient is φ = 17975160.

The previous prime is 42162413. The next prime is 42162443. The reversal of 42162442 is 24426124.

It is a happy number.

It is a super-4 number, since 4×42162442⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42162443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19659 + ... + 21697.

It is an arithmetic number, because the mean of its divisors is an integer number (3081420).

Almost surely, 2^42162442 is an apocalyptic number.

42162442 is a deficient number, since it is larger than the sum of its proper divisors (31791638).

42162442 is a wasteful number, since it uses less digits than its factorization.

42162442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266 (or 2259 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 42162442 is about 6493.2612761231. The cubic root of 42162442 is about 348.0502250581.

Adding to 42162442 its reverse (24426124), we get a palindrome (66588566).

The spelling of 42162442 in words is "forty-two million, one hundred sixty-two thousand, four hundred forty-two".