32215942144 has 99 divisors (see below), whose sum is σ = 66157551831. Its totient is φ = 15680071680.

The previous prime is 32215942133. The next prime is 32215942147. The reversal of 32215942144 is 44124951223.

The square root of 32215942144 is 179488.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

Its product of digits (69120) is a multiple of the sum of its prime factors (320).

It is not an unprimeable number, because it can be changed into a prime (32215942147) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 407796697 + ... + 407796775.

Almost surely, 2^32215942144 is an apocalyptic number.

32215942144 is the 179488-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32215942144

32215942144 is an abundant number, since it is smaller than the sum of its proper divisors (33941609687).

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

32215942144 is an frugal number, since it uses more digits than its factorization.

32215942144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 152 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The spelling of 32215942144 in words is "thirty-two billion, two hundred fifteen million, nine hundred forty-two thousand, one hundred forty-four".