4489640814852 has 72 divisors (see below), whose sum is σ = 11374617899736. Its totient is φ = 1493146842624.

The previous prime is 4489640814839. The next prime is 4489640814899. The reversal of 4489640814852 is 2584180469844.

4489640814852 is a `hidden beast` number, since 4 + 4 + 89 + 6 + 408 + 148 + 5 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 107719178436 + 4381921636416 = 328206^2 + 2093304^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4489640814852.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42798738 + ... + 42903510.

It is an arithmetic number, because the mean of its divisors is an integer number (157980804163).

Almost surely, 2^{4489640814852} is an apocalyptic number.

It is an amenable number.

4489640814852 is an abundant number, since it is smaller than the sum of its proper divisors (6884977084884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4489640814852 is a wasteful number, since it uses less digits than its factorization.

4489640814852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107477 (or 107472 counting only the distinct ones).

The product of its (nonzero) digits is 70778880, while the sum is 63.

The spelling of 4489640814852 in words is "four trillion, four hundred eighty-nine billion, six hundred forty million, eight hundred fourteen thousand, eight hundred fifty-two".