217481346462048 has 96 divisors (see below), whose sum is σ = 586337515352064. Its totient is φ = 70532137539072.

The previous prime is 217481346462041. The next prime is 217481346462103. The reversal of 217481346462048 is 840264643184712.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 217481346461982 and 217481346462000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217481346462041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107070561 + ... + 109082847.

It is an arithmetic number, because the mean of its divisors is an integer number (6107682451584).

Almost surely, 2^{217481346462048} is an apocalyptic number.

It is an amenable number.

217481346462048 is an abundant number, since it is smaller than the sum of its proper divisors (368856168890016).

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

217481346462048 is a wasteful number, since it uses less digits than its factorization.

217481346462048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042764 (or 2042756 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 60.

The spelling of 217481346462048 in words is "two hundred seventeen trillion, four hundred eighty-one billion, three hundred forty-six million, four hundred sixty-two thousand, forty-eight".