27400560464 has 10 divisors (see below), whose sum is σ = 53088585930. Its totient is φ = 13700280224.

The previous prime is 27400560449. The next prime is 27400560487. The reversal of 27400560464 is 46406500472.

It can be written as a sum of positive squares in only one way, i.e., 25859212864 + 1541347600 = 160808^2 + 39260^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856267499 + ... + 856267530.

It is an arithmetic number, because the mean of its divisors is an integer number (5308858593).

Almost surely, 2^27400560464 is an apocalyptic number.

It is an amenable number.

27400560464 is a deficient number, since it is larger than the sum of its proper divisors (25688025466).

27400560464 is a wasteful number, since it uses less digits than its factorization.

27400560464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712535037 (or 1712535031 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 27400560464 in words is "twenty-seven billion, four hundred million, five hundred sixty thousand, four hundred sixty-four".