27234539380 has 24 divisors (see below), whose sum is σ = 57196145160. Its totient is φ = 10893127680.

The previous prime is 27234539377. The next prime is 27234539411. The reversal of 27234539380 is 8393543272.

It can be written as a sum of positive squares in 4 ways, for example, as 13894751376 + 13339788004 = 117876^2 + 115498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27234539380.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385876 + ... + 450964.

It is an arithmetic number, because the mean of its divisors is an integer number (2383172715).

Almost surely, 2^27234539380 is an apocalyptic number.

27234539380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27234539380 is an abundant number, since it is smaller than the sum of its proper divisors (29961605780).

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

27234539380 is a wasteful number, since it uses less digits than its factorization.

27234539380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86019 (or 86017 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 27234539380 in words is "twenty-seven billion, two hundred thirty-four million, five hundred thirty-nine thousand, three hundred eighty".