4055040442 has 4 divisors (see below), whose sum is σ = 6082560666. Its totient is φ = 2027520220.

The previous prime is 4055040389. The next prime is 4055040463. The reversal of 4055040442 is 2440405504.

4055040442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3245694841 + 809345601 = 56971^2 + 28449^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4055040442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013760109 + ... + 1013760112.

Almost surely, 2^4055040442 is an apocalyptic number.

4055040442 is a deficient number, since it is larger than the sum of its proper divisors (2027520224).

4055040442 is a wasteful number, since it uses less digits than its factorization.

4055040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027520223.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 4055040442 is about 63679.1994453448. The cubic root of 4055040442 is about 1594.6488473991.

Adding to 4055040442 its reverse (2440405504), we get a palindrome (6495445946).

The spelling of 4055040442 in words is "four billion, fifty-five million, forty thousand, four hundred forty-two".