4004220234545 has 16 divisors (see below), whose sum is σ = 4809628938240. Its totient is φ = 3200333884800.

The previous prime is 4004220234533. The next prime is 4004220234559. The reversal of 4004220234545 is 5454320224004.

It is not a de Polignac number, because 4004220234545 - 2¹⁰ = 4004220233521 is a prime.

It is a super-2 number, since 2×4004220234545² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 43458725 + ... + 43550765.

It is an arithmetic number, because the mean of its divisors is an integer number (300601808640).

Almost surely, 2^{4004220234545} is an apocalyptic number.

It is an amenable number.

4004220234545 is a deficient number, since it is larger than the sum of its proper divisors (805408703695).

4004220234545 is a wasteful number, since it uses less digits than its factorization.

4004220234545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100216.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 4004220234545 its reverse (5454320224004), we get a palindrome (9458540458549).

The spelling of 4004220234545 in words is "four trillion, four billion, two hundred twenty million, two hundred thirty-four thousand, five hundred forty-five".