208493481404 has 48 divisors (see below), whose sum is σ = 393754011840. Its totient is φ = 96026219520.

The previous prime is 208493481401. The next prime is 208493481479. The reversal of 208493481404 is 404184394802.

It is a super-2 number, since 2×208493481404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208493481401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78291377 + ... + 78294039.

It is an arithmetic number, because the mean of its divisors is an integer number (8203208580).

Almost surely, 2^208493481404 is an apocalyptic number.

It is an amenable number.

208493481404 is a deficient number, since it is larger than the sum of its proper divisors (185260530436).

208493481404 is a wasteful number, since it uses less digits than its factorization.

208493481404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 208493481404 in words is "two hundred eight billion, four hundred ninety-three million, four hundred eighty-one thousand, four hundred four".