4023045442 has 8 divisors (see below), whose sum is σ = 6498765756. Its totient is φ = 1856790192.

The previous prime is 4023045431. The next prime is 4023045457. The reversal of 4023045442 is 2445403204.

It can be written as a sum of positive squares in 2 ways, for example, as 3023790121 + 999255321 = 54989^2 + 31611^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 4023045442.

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, 77366233 + ... + 77366284.

Almost surely, 2^4023045442 is an apocalyptic number.

4023045442 is a deficient number, since it is larger than the sum of its proper divisors (2475720314).

4023045442 is a wasteful number, since it uses less digits than its factorization.

4023045442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154732532.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 4023045442 is about 63427.4817567275. The cubic root of 4023045442 is about 1590.4437459818.

Adding to 4023045442 its reverse (2445403204), we get a palindrome (6468448646).

The spelling of 4023045442 in words is "four billion, twenty-three million, forty-five thousand, four hundred forty-two".