4380806521872 has 120 divisors (see below), whose sum is σ = 13375443271008. Its totient is φ = 1327446835200.

The previous prime is 4380806521813. The next prime is 4380806521907. The reversal of 4380806521872 is 2781256080834.

4380806521872 is a `hidden beast` number, since 4 + 38 + 0 + 8 + 0 + 6 + 521 + 87 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35218347 + ... + 35342517.

Almost surely, 2^{4380806521872} is an apocalyptic number.

It is an amenable number.

4380806521872 is an abundant number, since it is smaller than the sum of its proper divisors (8994636749136).

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

4380806521872 is a wasteful number, since it uses less digits than its factorization.

4380806521872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146469 (or 146460 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 4380806521872 in words is "four trillion, three hundred eighty billion, eight hundred six million, five hundred twenty-one thousand, eight hundred seventy-two".