208248011328 has 56 divisors (see below), whose sum is σ = 629702324032. Its totient is φ = 59499431424.

The previous prime is 208248011327. The next prime is 208248011351. The reversal of 208248011328 is 823110842802.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (208248011327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77471875 + ... + 77474562.

Almost surely, 2^208248011328 is an apocalyptic number.

208248011328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

208248011328 is an abundant number, since it is smaller than the sum of its proper divisors (421454312704).

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

208248011328 is a wasteful number, since it uses less digits than its factorization.

208248011328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154946459 (or 154946449 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The spelling of 208248011328 in words is "two hundred eight billion, two hundred forty-eight million, eleven thousand, three hundred twenty-eight".