27438784463930 has 32 divisors (see below), whose sum is σ = 56451435598080. Its totient is φ = 9406593889920.

The previous prime is 27438784463891. The next prime is 27438784463953. The reversal of 27438784463930 is 3936448783472.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19941035 + ... + 21272574.

It is an arithmetic number, because the mean of its divisors is an integer number (1764107362440).

Almost surely, 2^{27438784463930} is an apocalyptic number.

27438784463930 is an abundant number, since it is smaller than the sum of its proper divisors (29012651134150).

27438784463930 is a wasteful number, since it uses less digits than its factorization.

27438784463930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41223134.

The product of its (nonzero) digits is 585252864, while the sum is 68.

The spelling of 27438784463930 in words is "twenty-seven trillion, four hundred thirty-eight billion, seven hundred eighty-four million, four hundred sixty-three thousand, nine hundred thirty".