208842958940 has 96 divisors (see below), whose sum is σ = 546908544000. Its totient is φ = 65079659520.

The previous prime is 208842958873. The next prime is 208842958967. The reversal of 208842958940 is 49859248802.

It is a self number, because there is not a number n which added to its sum of digits gives 208842958940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8672036 + ... + 8696084.

It is an arithmetic number, because the mean of its divisors is an integer number (5696964000).

Almost surely, 2^208842958940 is an apocalyptic number.

208842958940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208842958940 is an abundant number, since it is smaller than the sum of its proper divisors (338065585060).

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

208842958940 is a wasteful number, since it uses less digits than its factorization.

208842958940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29715 (or 29713 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 208842958940 in words is "two hundred eight billion, eight hundred forty-two million, nine hundred fifty-eight thousand, nine hundred forty".