27225660004 has 81 divisors (see below), whose sum is σ = 53160563001. Its totient is φ = 12196947840.

The previous prime is 27225659977. The next prime is 27225660037. The reversal of 27225660004 is 40006652272.

The square root of 27225660004 is 165002.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21196448100 + 6029211904 = 145590^2 + 77648^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 129031459 + ... + 129031669.

Almost surely, 2^27225660004 is an apocalyptic number.

27225660004 is the 165002-nd square number.

It is an amenable number.

27225660004 is a deficient number, since it is larger than the sum of its proper divisors (25934902997).

27225660004 is a wasteful number, since it uses less digits than its factorization.

27225660004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 27225660004 in words is "twenty-seven billion, two hundred twenty-five million, six hundred sixty thousand, four".