3264541659820 has 72 divisors (see below), whose sum is σ = 7976313169776. Its totient is φ = 1119060302976.

The previous prime is 3264541659809. The next prime is 3264541659877. The reversal of 3264541659820 is 289561454623.

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, 4928562 + ... + 5551558.

It is an arithmetic number, because the mean of its divisors is an integer number (110782127358).

Almost surely, 2^{3264541659820} is an apocalyptic number.

It is an amenable number.

3264541659820 is an abundant number, since it is smaller than the sum of its proper divisors (4711771509956).

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

3264541659820 is a wasteful number, since it uses less digits than its factorization.

3264541659820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628367 (or 628358 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 55.

It can be divided in two parts, 3264541 and 659820, that added together give a square (3924361 = 1981²).

The spelling of 3264541659820 in words is "three trillion, two hundred sixty-four billion, five hundred forty-one million, six hundred fifty-nine thousand, eight hundred twenty".