4004040053533 has 4 divisors (see below), whose sum is σ = 4312043134588. Its totient is φ = 3696036972480.

The previous prime is 4004040053479. The next prime is 4004040053557. The reversal of 4004040053533 is 3353500404004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1280658882244 + 2723381171289 = 1131662^2 + 1650267^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004040053533 - 2¹⁷ = 4004039922461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4004040053495 and 4004040053504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004040053593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154001540508 + ... + 154001540533.

It is an arithmetic number, because the mean of its divisors is an integer number (1078010783647).

Almost surely, 2^{4004040053533} is an apocalyptic number.

It is an amenable number.

4004040053533 is a deficient number, since it is larger than the sum of its proper divisors (308003081055).

4004040053533 is a wasteful number, since it uses less digits than its factorization.

4004040053533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308003081054.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 4004040053533 its reverse (3353500404004), we get a palindrome (7357540457537).

The spelling of 4004040053533 in words is "four trillion, four billion, forty million, fifty-three thousand, five hundred thirty-three".