4378217654952 has 48 divisors (see below), whose sum is σ = 11857962168000. Its totient is φ = 1459370272416.

The previous prime is 4378217654917. The next prime is 4378217654959. The reversal of 4378217654952 is 2594567128734.

It is a happy number.

4378217654952 is a `hidden beast` number, since 4 + 3 + 7 + 82 + 1 + 7 + 6 + 549 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4378217654952.

It is not an unprimeable number, because it can be changed into a prime (4378217654959) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2316049 + ... + 3757727.

It is an arithmetic number, because the mean of its divisors is an integer number (247040878500).

Almost surely, 2^{4378217654952} is an apocalyptic number.

It is an amenable number.

4378217654952 is an abundant number, since it is smaller than the sum of its proper divisors (7479744513048).

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

4378217654952 is a wasteful number, since it uses less digits than its factorization.

4378217654952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483870 (or 1483863 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 63.

The spelling of 4378217654952 in words is "four trillion, three hundred seventy-eight billion, two hundred seventeen million, six hundred fifty-four thousand, nine hundred fifty-two".