406105838938 has 8 divisors (see below), whose sum is σ = 635643921888. Its totient is φ = 194224531644.

The previous prime is 406105838933. The next prime is 406105838953. The reversal of 406105838938 is 839838501604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (406105838933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4414193856 + ... + 4414193947.

It is an arithmetic number, because the mean of its divisors is an integer number (79455490236).

Almost surely, 2^406105838938 is an apocalyptic number.

406105838938 is a deficient number, since it is larger than the sum of its proper divisors (229538082950).

406105838938 is a wasteful number, since it uses less digits than its factorization.

406105838938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8828387828.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 406105838938 in words is "four hundred six billion, one hundred five million, eight hundred thirty-eight thousand, nine hundred thirty-eight".