27400464670 has 32 divisors (see below), whose sum is σ = 50388283008. Its totient is φ = 10723143168.

The previous prime is 27400464631. The next prime is 27400464671. The reversal of 27400464670 is 7646400472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27400464671) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1548312 + ... + 1565908.

It is an arithmetic number, because the mean of its divisors is an integer number (1574633844).

Almost surely, 2^27400464670 is an apocalyptic number.

27400464670 is a deficient number, since it is larger than the sum of its proper divisors (22987818338).

27400464670 is a wasteful number, since it uses less digits than its factorization.

27400464670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20964.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 27400464670 in words is "twenty-seven billion, four hundred million, four hundred sixty-four thousand, six hundred seventy".