3867281198720 has 32 divisors (see below), whose sum is σ = 9245219117220. Its totient is φ = 1546912479232.

The previous prime is 3867281198681. The next prime is 3867281198731. The reversal of 3867281198720 is 278911827683.

It can be written as a sum of positive squares in 2 ways, for example, as 3824027182144 + 43254016576 = 1955512^2 + 207976^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3021312797 + ... + 3021314076.

Almost surely, 2^{3867281198720} is an apocalyptic number.

It is an amenable number.

3867281198720 is an abundant number, since it is smaller than the sum of its proper divisors (5377937918500).

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

3867281198720 is an equidigital number, since it uses as much as digits as its factorization.

3867281198720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042626892 (or 6042626880 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 62.

The spelling of 3867281198720 in words is "three trillion, eight hundred sixty-seven billion, two hundred eighty-one million, one hundred ninety-eight thousand, seven hundred twenty".