4004055445 has 8 divisors (see below), whose sum is σ = 5174471736. Its totient is φ = 2956840896.

The previous prime is 4004055439. The next prime is 4004055457. The reversal of 4004055445 is 5445504004.

It is a happy number.

4004055445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17648401 + 3986407044 = 4201^2 + 63138^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4004055445 - 2¹⁹ = 4003531157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30800362 + ... + 30800491.

It is an arithmetic number, because the mean of its divisors is an integer number (646808967).

Almost surely, 2^4004055445 is an apocalyptic number.

It is an amenable number.

4004055445 is a deficient number, since it is larger than the sum of its proper divisors (1170416291).

4004055445 is a wasteful number, since it uses less digits than its factorization.

4004055445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61600871.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 4004055445 is about 63277.6061889196. The cubic root of 4004055445 is about 1587.9373389071.

Adding to 4004055445 its reverse (5445504004), we get a palindrome (9449559449).

The spelling of 4004055445 in words is "four billion, four million, fifty-five thousand, four hundred forty-five".