3972218360 has 64 divisors (see below), whose sum is σ = 9761251680. Its totient is φ = 1442775040.

The previous prime is 3972218333. The next prime is 3972218377. The reversal of 3972218360 is 638122793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414584 + ... + 424056.

Almost surely, 2^3972218360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3972218360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4880625840).

3972218360 is an abundant number, since it is smaller than the sum of its proper divisors (5789033320).

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

3972218360 is a wasteful number, since it uses less digits than its factorization.

3972218360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10448 (or 10444 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 3972218360 is about 63025.5373638337. The cubic root of 3972218360 is about 1583.7174603618.

The spelling of 3972218360 in words is "three billion, nine hundred seventy-two million, two hundred eighteen thousand, three hundred sixty".