408399353498 has 16 divisors (see below), whose sum is σ = 613855132800. Its totient is φ = 203781142656.

The previous prime is 408399353497. The next prime is 408399353569. The reversal of 408399353498 is 894353993804.

It is not an unprimeable number, because it can be changed into a prime (408399353497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5193578 + ... + 5271626.

It is an arithmetic number, because the mean of its divisors is an integer number (38365945800).

Almost surely, 2^408399353498 is an apocalyptic number.

408399353498 is a deficient number, since it is larger than the sum of its proper divisors (205455779302).

408399353498 is a wasteful number, since it uses less digits than its factorization.

408399353498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83381.

The product of its (nonzero) digits is 100776960, while the sum is 65.

The spelling of 408399353498 in words is "four hundred eight billion, three hundred ninety-nine million, three hundred fifty-three thousand, four hundred ninety-eight".