27400514644 has 6 divisors (see below), whose sum is σ = 47950900634. Its totient is φ = 13700257320.

The previous prime is 27400514627. The next prime is 27400514663. The reversal of 27400514644 is 44641500472.

It can be written as a sum of positive squares in only one way, i.e., 23290422544 + 4110092100 = 152612^2 + 64110^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425064327 + ... + 3425064334.

Almost surely, 2^27400514644 is an apocalyptic number.

It is an amenable number.

27400514644 is a deficient number, since it is larger than the sum of its proper divisors (20550385990).

27400514644 is a wasteful number, since it uses less digits than its factorization.

27400514644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850128665 (or 6850128663 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 27400514644 in words is "twenty-seven billion, four hundred million, five hundred fourteen thousand, six hundred forty-four".