208283555940 has 96 divisors (see below), whose sum is σ = 621498286080. Its totient is φ = 51997013376.

The previous prime is 208283555927. The next prime is 208283555947. The reversal of 208283555940 is 49555382802.

208283555940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×208283555940² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (208283555947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1540780 + ... + 1670499.

It is an arithmetic number, because the mean of its divisors is an integer number (6473940480).

Almost surely, 2^208283555940 is an apocalyptic number.

208283555940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208283555940 is an abundant number, since it is smaller than the sum of its proper divisors (413214730140).

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

208283555940 is a wasteful number, since it uses less digits than its factorization.

208283555940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211361 (or 3211359 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 208283555940 in words is "two hundred eight billion, two hundred eighty-three million, five hundred fifty-five thousand, nine hundred forty".