27245205632 has 16 divisors (see below), whose sum is σ = 54277558350. Its totient is φ = 13622602752.

The previous prime is 27245205623. The next prime is 27245205643. The reversal of 27245205632 is 23650254272.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25993178176 + 1252027456 = 161224^2 + 35384^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106426457 + ... + 106426712.

Almost surely, 2^27245205632 is an apocalyptic number.

It is an amenable number.

27245205632 is a deficient number, since it is larger than the sum of its proper divisors (27032352718).

27245205632 is an equidigital number, since it uses as much as digits as its factorization.

27245205632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212853183 (or 212853171 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 27245205632 in words is "twenty-seven billion, two hundred forty-five million, two hundred five thousand, six hundred thirty-two".