227400065640 has 192 divisors, whose sum is σ = 828027308160. Its totient is φ = 53637327360.

The previous prime is 227400065639. The next prime is 227400065663. The reversal of 227400065640 is 46560004722.

227400065640 is a `hidden beast` number, since 2 + 2 + 7 + 4 + 0 + 0 + 0 + 6 + 5 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 227400065595 and 227400065604.

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 47 ways as a sum of consecutive naturals, for example, 629484 + ... + 922523.

It is an arithmetic number, because the mean of its divisors is an integer number (4312642230).

Almost surely, 2^227400065640 is an apocalyptic number.

227400065640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227400065640 is an abundant number, since it is smaller than the sum of its proper divisors (600627242520).

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

227400065640 is a wasteful number, since it uses less digits than its factorization.

227400065640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552072 (or 1552065 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 227400065640 in words is "two hundred twenty-seven billion, four hundred million, sixty-five thousand, six hundred forty".