208413925340 has 12 divisors (see below), whose sum is σ = 437669243256. Its totient is φ = 83365570128.

The previous prime is 208413925337. The next prime is 208413925351. The reversal of 208413925340 is 43529314802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5210348114 + ... + 5210348153.

It is an arithmetic number, because the mean of its divisors is an integer number (36472436938).

Almost surely, 2^208413925340 is an apocalyptic number.

208413925340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208413925340 is an abundant number, since it is smaller than the sum of its proper divisors (229255317916).

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

208413925340 is a wasteful number, since it uses less digits than its factorization.

208413925340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420696276 (or 10420696274 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 208413925340 in words is "two hundred eight billion, four hundred thirteen million, nine hundred twenty-five thousand, three hundred forty".