32415220240000 has 160 divisors (see below), whose sum is σ = 86903026457940. Its totient is φ = 11968696320000.

The previous prime is 32415220239977. The next prime is 32415220240019. The reversal of 32415220240000 is 4202251423.

It can be written as a sum of positive squares in 10 ways, for example, as 8077100416576 + 24338119823424 = 2842024^2 + 4933368^2 .

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 (25).

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 19 ways as a sum of consecutive naturals, for example, 14544241 + ... + 16624240.

Almost surely, 2^{32415220240000} is an apocalyptic number.

It is an amenable number.

32415220240000 is an abundant number, since it is smaller than the sum of its proper divisors (54487806217940).

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

32415220240000 is an equidigital number, since it uses as much as digits as its factorization.

32415220240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31168528 (or 31168501 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 32415220240000 its reverse (4202251423), we get a palindrome (32419422491423).

The spelling of 32415220240000 in words is "thirty-two trillion, four hundred fifteen billion, two hundred twenty million, two hundred forty thousand".