27305426730138 has 32 divisors (see below), whose sum is σ = 54666989994240. Its totient is φ = 9092454754560.

The previous prime is 27305426730107. The next prime is 27305426730139. The reversal of 27305426730138 is 83103762450372.

It is not an unprimeable number, because it can be changed into a prime (27305426730139) 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, 57428143 + ... + 57901661.

It is an arithmetic number, because the mean of its divisors is an integer number (1708343437320).

Almost surely, 2^{27305426730138} is an apocalyptic number.

27305426730138 is an abundant number, since it is smaller than the sum of its proper divisors (27361563264102).

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

27305426730138 is a wasteful number, since it uses less digits than its factorization.

27305426730138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483382.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 27305426730138 in words is "twenty-seven trillion, three hundred five billion, four hundred twenty-six million, seven hundred thirty thousand, one hundred thirty-eight".