406192308081 has 16 divisors (see below), whose sum is σ = 618980849664. Its totient is φ = 232101962064.

The previous prime is 406192308073. The next prime is 406192308103. The reversal of 406192308081 is 180803291604.

It is not a de Polignac number, because 406192308081 - 2³ = 406192308073 is a prime.

It is a super-2 number, since 2×406192308081² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (406192308001) 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, 329770 + ... + 959756.

It is an arithmetic number, because the mean of its divisors is an integer number (38686303104).

Almost surely, 2^406192308081 is an apocalyptic number.

It is an amenable number.

406192308081 is a deficient number, since it is larger than the sum of its proper divisors (212788541583).

406192308081 is a wasteful number, since it uses less digits than its factorization.

406192308081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660700.

The product of its (nonzero) digits is 82944, while the sum is 42.

Adding to 406192308081 its reverse (180803291604), we get a palindrome (586995599685).

The spelling of 406192308081 in words is "four hundred six billion, one hundred ninety-two million, three hundred eight thousand, eighty-one".