4005453742 has 16 divisors (see below), whose sum is σ = 6394920192. Its totient is φ = 1875047680.

The previous prime is 4005453721. The next prime is 4005453743. The reversal of 4005453742 is 2473545004.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 4005453698 and 4005453707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005453743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301903 + ... + 314890.

It is an arithmetic number, because the mean of its divisors is an integer number (399682512).

Almost surely, 2^4005453742 is an apocalyptic number.

4005453742 is a deficient number, since it is larger than the sum of its proper divisors (2389466450).

4005453742 is a wasteful number, since it uses less digits than its factorization.

4005453742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617003.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 4005453742 is about 63288.6541332647. The cubic root of 4005453742 is about 1588.1221639865.

Adding to 4005453742 its reverse (2473545004), we get a palindrome (6478998746).

The spelling of 4005453742 in words is "four billion, five million, four hundred fifty-three thousand, seven hundred forty-two".