27232645442 has 6 divisors (see below), whose sum is σ = 40849318233. Its totient is φ = 13616206032.

The previous prime is 27232645439. The next prime is 27232645481. The reversal of 27232645442 is 24454623272.

It can be written as a sum of positive squares in 2 ways, for example, as 18755576401 + 8477069041 = 136951^2 + 92071^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=116689.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27232645442.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 175034 + ... + 291722.

Almost surely, 2^27232645442 is an apocalyptic number.

27232645442 is a deficient number, since it is larger than the sum of its proper divisors (13616672791).

27232645442 is an frugal number, since it uses more digits than its factorization.

27232645442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233380 (or 116691 counting only the distinct ones).

The product of its digits is 645120, while the sum is 41.

The spelling of 27232645442 in words is "twenty-seven billion, two hundred thirty-two million, six hundred forty-five thousand, four hundred forty-two".