6004400065 has 16 divisors (see below), whose sum is σ = 7362596736. Its totient is φ = 4699676800.

The previous prime is 6004400057. The next prime is 6004400081. The reversal of 6004400065 is 5600044006.

It is a happy number.

It is not a de Polignac number, because 6004400065 - 2³ = 6004400057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18052 + ... + 111061.

It is an arithmetic number, because the mean of its divisors is an integer number (460162296).

Almost surely, 2^6004400065 is an apocalyptic number.

It is an amenable number.

6004400065 is a deficient number, since it is larger than the sum of its proper divisors (1358196671).

6004400065 is a wasteful number, since it uses less digits than its factorization.

6004400065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129320.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6004400065 is about 77488.0640163374. The cubic root of 6004400065 is about 1817.5646758902.

The spelling of 6004400065 in words is "six billion, four million, four hundred thousand, sixty-five".