338421499806 has 32 divisors (see below), whose sum is σ = 728930149920. Its totient is φ = 104126505984.

The previous prime is 338421499789. The next prime is 338421499817. The reversal of 338421499806 is 608994124833.

It is a super-2 number, since 2×338421499806² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 4498630 + ... + 4573238.

It is an arithmetic number, because the mean of its divisors is an integer number (22779067185).

Almost surely, 2^338421499806 is an apocalyptic number.

338421499806 is an abundant number, since it is smaller than the sum of its proper divisors (390508650114).

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

338421499806 is a wasteful number, since it uses less digits than its factorization.

338421499806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132780.

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 338421499806 in words is "three hundred thirty-eight billion, four hundred twenty-one million, four hundred ninety-nine thousand, eight hundred six".