27446145286830 has 32 divisors (see below), whose sum is σ = 65872826231328. Its totient is φ = 7318741238400.

The previous prime is 27446145286793. The next prime is 27446145286831. The reversal of 27446145286830 is 3868254164472.

It is a super-2 number, since 2×27446145286830² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27446145286831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13459281 + ... + 15363740.

It is an arithmetic number, because the mean of its divisors is an integer number (2058525819729).

Almost surely, 2^{27446145286830} is an apocalyptic number.

27446145286830 is an abundant number, since it is smaller than the sum of its proper divisors (38426680944498).

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

27446145286830 is a wasteful number, since it uses less digits than its factorization.

27446145286830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28854772.

The product of its (nonzero) digits is 61931520, while the sum is 60.

The spelling of 27446145286830 in words is "twenty-seven trillion, four hundred forty-six billion, one hundred forty-five million, two hundred eighty-six thousand, eight hundred thirty".