208340483405 has 16 divisors (see below), whose sum is σ = 264367853568. Its totient is φ = 157361808000.

The previous prime is 208340483357. The next prime is 208340483431. The reversal of 208340483405 is 504384043802.

It is not a de Polignac number, because 208340483405 - 2²⁰ = 208339434829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16385501 + ... + 16398210.

It is an arithmetic number, because the mean of its divisors is an integer number (16522990848).

Almost surely, 2^208340483405 is an apocalyptic number.

It is an amenable number.

208340483405 is a deficient number, since it is larger than the sum of its proper divisors (56027370163).

208340483405 is a wasteful number, since it uses less digits than its factorization.

208340483405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32783788.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 208340483405 in words is "two hundred eight billion, three hundred forty million, four hundred eighty-three thousand, four hundred five".