27623054065640 has 128 divisors (see below), whose sum is σ = 70752669419520. Its totient is φ = 9607650412800.

The previous prime is 27623054065639. The next prime is 27623054065643. The reversal of 27623054065640 is 4656045032672.

It is not an unprimeable number, because it can be changed into a prime (27623054065643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499566395 + ... + 499621685.

It is an arithmetic number, because the mean of its divisors is an integer number (552755229840).

Almost surely, 2^{27623054065640} is an apocalyptic number.

27623054065640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27623054065640 is an abundant number, since it is smaller than the sum of its proper divisors (43129615353880).

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

27623054065640 is a wasteful number, since it uses less digits than its factorization.

27623054065640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104703 (or 104699 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 27623054065640 in words is "twenty-seven trillion, six hundred twenty-three billion, fifty-four million, sixty-five thousand, six hundred forty".