72244178848 has 12 divisors (see below), whose sum is σ = 142230727170. Its totient is φ = 36122089408.

The previous prime is 72244178827. The next prime is 72244178879. The reversal of 72244178848 is 84887144227.

It can be written as a sum of positive squares in only one way, i.e., 55211840784 + 17032338064 = 234972^2 + 130508^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128815263 + ... + 1128815326.

Almost surely, 2^72244178848 is an apocalyptic number.

It is an amenable number.

72244178848 is a deficient number, since it is larger than the sum of its proper divisors (69986548322).

72244178848 is a wasteful number, since it uses less digits than its factorization.

72244178848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257630599 (or 2257630591 counting only the distinct ones).

The product of its digits is 6422528, while the sum is 55.

The spelling of 72244178848 in words is "seventy-two billion, two hundred forty-four million, one hundred seventy-eight thousand, eight hundred forty-eight".