406576478893 has 32 divisors (see below), whose sum is σ = 471792527360. Its totient is φ = 347149333440.

The previous prime is 406576478873. The next prime is 406576478921. The reversal of 406576478893 is 398874675604.

It is not a de Polignac number, because 406576478893 - 2³³ = 397986544301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406576478863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37284880 + ... + 37295782.

It is an arithmetic number, because the mean of its divisors is an integer number (14743516480).

Almost surely, 2^406576478893 is an apocalyptic number.

406576478893 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

406576478893 is a deficient number, since it is larger than the sum of its proper divisors (65216048467).

406576478893 is a wasteful number, since it uses less digits than its factorization.

406576478893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14489.

The product of its (nonzero) digits is 243855360, while the sum is 67.

The spelling of 406576478893 in words is "four hundred six billion, five hundred seventy-six million, four hundred seventy-eight thousand, eight hundred ninety-three".