4640645858848 has 12 divisors (see below), whose sum is σ = 9136271534670. Its totient is φ = 2320322929408.

The previous prime is 4640645858843. The next prime is 4640645858867. The reversal of 4640645858848 is 8488585460464.

It can be written as a sum of positive squares in only one way, i.e., 3225716576784 + 1414929282064 = 1796028^2 + 1189508^2 .

It is not an unprimeable number, because it can be changed into a prime (4640645858843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72510091513 + ... + 72510091576.

Almost surely, 2^{4640645858848} is an apocalyptic number.

It is an amenable number.

4640645858848 is a deficient number, since it is larger than the sum of its proper divisors (4495625675822).

4640645858848 is a wasteful number, since it uses less digits than its factorization.

4640645858848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145020183099 (or 145020183091 counting only the distinct ones).

The product of its (nonzero) digits is 943718400, while the sum is 70.

The spelling of 4640645858848 in words is "four trillion, six hundred forty billion, six hundred forty-five million, eight hundred fifty-eight thousand, eight hundred forty-eight".