32215351440000 has 160 divisors (see below), whose sum is σ = 106930806063840. Its totient is φ = 8590760320000.

The previous prime is 32215351439981. The next prime is 32215351440067. The reversal of 32215351440000 is 4415351223.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 32215351440000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66875316 + ... + 67355315.

It is an arithmetic number, because the mean of its divisors is an integer number (668317537899).

Almost surely, 2^{32215351440000} is an apocalyptic number.

32215351440000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32215351440000 is an abundant number, since it is smaller than the sum of its proper divisors (74715454623840).

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

32215351440000 is an equidigital number, since it uses as much as digits as its factorization.

32215351440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134230668 (or 134230641 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 32215351440000 its reverse (4415351223), we get a palindrome (32219766791223).

The spelling of 32215351440000 in words is "thirty-two trillion, two hundred fifteen billion, three hundred fifty-one million, four hundred forty thousand".