4140442 has 8 divisors (see below), whose sum is σ = 6537600. Its totient is φ = 1961244.

The previous prime is 4140439. The next prime is 4140457. The reversal of 4140442 is 2440414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54442 + ... + 54517.

It is an arithmetic number, because the mean of its divisors is an integer number (817200).

Almost surely, 2^4140442 is an apocalyptic number.

4140442 is a deficient number, since it is larger than the sum of its proper divisors (2397158).

4140442 is a wasteful number, since it uses less digits than its factorization.

4140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108980.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4140442 is about 2034.8076076131. The cubic root of 4140442 is about 160.5765915179.

Adding to 4140442 its reverse (2440414), we get a palindrome (6580856).

The spelling of 4140442 in words is "four million, one hundred forty thousand, four hundred forty-two".