72204040332 has 48 divisors (see below), whose sum is σ = 187243499520. Its totient is φ = 24061862736.

The previous prime is 72204040327. The next prime is 72204040357. The reversal of 72204040332 is 23304040227.

72204040332 is a `hidden beast` number, since 7 + 220 + 4 + 0 + 403 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 72204040296 and 72204040305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349333 + ... + 516179.

It is an arithmetic number, because the mean of its divisors is an integer number (3900906240).

Almost surely, 2^72204040332 is an apocalyptic number.

It is an amenable number.

72204040332 is an abundant number, since it is smaller than the sum of its proper divisors (115039459188).

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

72204040332 is a wasteful number, since it uses less digits than its factorization.

72204040332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170867 (or 170859 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

Adding to 72204040332 its reverse (23304040227), we get a palindrome (95508080559).

The spelling of 72204040332 in words is "seventy-two billion, two hundred four million, forty thousand, three hundred thirty-two".