4004044305461 has 4 divisors (see below), whose sum is σ = 4133207025024. Its totient is φ = 3874881585900.

The previous prime is 4004044305431. The next prime is 4004044305463. The reversal of 4004044305461 is 1645034404004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4004044305461 - 2³⁴ = 3986864436277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004044305463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64581359735 + ... + 64581359796.

It is an arithmetic number, because the mean of its divisors is an integer number (1033301756256).

Almost surely, 2^{4004044305461} is an apocalyptic number.

It is an amenable number.

4004044305461 is a deficient number, since it is larger than the sum of its proper divisors (129162719563).

4004044305461 is a wasteful number, since it uses less digits than its factorization.

4004044305461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129162719562.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 4004044305461 its reverse (1645034404004), we get a palindrome (5649078709465).

The spelling of 4004044305461 in words is "four trillion, four billion, forty-four million, three hundred five thousand, four hundred sixty-one".