27730240836 has 24 divisors (see below), whose sum is σ = 64741803840. Its totient is φ = 9237998112.

The previous prime is 27730240801. The next prime is 27730240841. The reversal of 27730240836 is 63804203772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655576 + ... + 696591.

It is an arithmetic number, because the mean of its divisors is an integer number (2697575160).

Almost surely, 2^27730240836 is an apocalyptic number.

It is an amenable number.

27730240836 is an abundant number, since it is smaller than the sum of its proper divisors (37011563004).

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

27730240836 is a wasteful number, since it uses less digits than its factorization.

27730240836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353883 (or 1353881 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 27730240836 in words is "twenty-seven billion, seven hundred thirty million, two hundred forty thousand, eight hundred thirty-six".