4640174041864 has 8 divisors (see below), whose sum is σ = 8700326328510. Its totient is φ = 2320087020928.

The previous prime is 4640174041781. The next prime is 4640174041889. The reversal of 4640174041864 is 4681404710464.

It can be written as a sum of positive squares in only one way, i.e., 3812092241764 + 828081800100 = 1952458^2 + 909990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290010877609 + ... + 290010877624.

Almost surely, 2^{4640174041864} is an apocalyptic number.

It is an amenable number.

4640174041864 is a deficient number, since it is larger than the sum of its proper divisors (4060152286646).

4640174041864 is a wasteful number, since it uses less digits than its factorization.

4640174041864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580021755239 (or 580021755235 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 4640174041864 in words is "four trillion, six hundred forty billion, one hundred seventy-four million, forty-one thousand, eight hundred sixty-four".