27755450436 has 72 divisors (see below), whose sum is σ = 75358715040. Its totient is φ = 7927761408.

The previous prime is 27755450423. The next prime is 27755450447. The reversal of 27755450436 is 63405455772.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3219700 + ... + 3228308.

It is an arithmetic number, because the mean of its divisors is an integer number (1046648820).

Almost surely, 2^27755450436 is an apocalyptic number.

It is an amenable number.

27755450436 is an abundant number, since it is smaller than the sum of its proper divisors (47603264604).

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

27755450436 is a wasteful number, since it uses less digits than its factorization.

27755450436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14113 (or 14104 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 27755450436 in words is "twenty-seven billion, seven hundred fifty-five million, four hundred fifty thousand, four hundred thirty-six".