27318031450 has 24 divisors (see below), whose sum is σ = 52050848220. Its totient is φ = 10660694400.

The previous prime is 27318031399. The next prime is 27318031487. The reversal of 27318031450 is 5413081372.

It can be written as a sum of positive squares in 6 ways, for example, as 4350325849 + 22967705601 = 65957^2 + 151551^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6660885 + ... + 6664984.

Almost surely, 2^27318031450 is an apocalyptic number.

27318031450 is a deficient number, since it is larger than the sum of its proper divisors (24732816770).

27318031450 is a wasteful number, since it uses less digits than its factorization.

27318031450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13325922 (or 13325917 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 27318031450 in words is "twenty-seven billion, three hundred eighteen million, thirty-one thousand, four hundred fifty".