4000504001045 has 8 divisors (see below), whose sum is σ = 4800660909624. Its totient is φ = 3200365795264.

The previous prime is 4000504000951. The next prime is 4000504001071. The reversal of 4000504001045 is 5401004050004.

4000504001045 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 1515848515204 + 2484655485841 = 1231198^2 + 1576279^2 .

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 4000504001045 - 2³² = 3996209033749 is a prime.

It is a super-3 number, since 3×4000504001045³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4000504001045.

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, 4200734 + ... + 5064303.

It is an arithmetic number, because the mean of its divisors is an integer number (600082613703).

Almost surely, 2^{4000504001045} is an apocalyptic number.

It is an amenable number.

4000504001045 is a deficient number, since it is larger than the sum of its proper divisors (800156908579).

4000504001045 is an equidigital number, since it uses as much as digits as its factorization.

4000504001045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9351399.

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 4000504001045 its reverse (5401004050004), we get a palindrome (9401508051049).

The spelling of 4000504001045 in words is "four trillion, five hundred four million, one thousand, forty-five".