185040461227 has 4 divisors (see below), whose sum is σ = 185047653880. Its totient is φ = 185033268576.

The previous prime is 185040461213. The next prime is 185040461231. The reversal of 185040461227 is 722164040581.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-185040461227 is a prime.

It is a super-2 number, since 2×185040461227² (a number of 23 digits) contains 22 as substring.

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 185040461227.

It is not an unprimeable number, because it can be changed into a prime (185040461257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3557598 + ... + 3609235.

It is an arithmetic number, because the mean of its divisors is an integer number (46261913470).

Almost surely, 2^185040461227 is an apocalyptic number.

185040461227 is a deficient number, since it is larger than the sum of its proper divisors (7192653).

185040461227 is an equidigital number, since it uses as much as digits as its factorization.

185040461227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7192652.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 185040461227 in words is "one hundred eighty-five billion, forty million, four hundred sixty-one thousand, two hundred twenty-seven".