406576478959 has 8 divisors (see below), whose sum is σ = 479647827968. Its totient is φ = 337252378680.

The previous prime is 406576478953. The next prime is 406576478981. The reversal of 406576478959 is 959874675604.

It is a happy number.

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

It is not a de Polignac number, because 406576478959 - 2²⁹ = 406039608047 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 (406576478953) 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, 936811947 + ... + 936812380.

It is an arithmetic number, because the mean of its divisors is an integer number (59955978496).

Almost surely, 2^406576478959 is an apocalyptic number.

406576478959 is a deficient number, since it is larger than the sum of its proper divisors (73071349009).

406576478959 is a wasteful number, since it uses less digits than its factorization.

406576478959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873624365.

The product of its (nonzero) digits is 457228800, while the sum is 70.

The spelling of 406576478959 in words is "four hundred six billion, five hundred seventy-six million, four hundred seventy-eight thousand, nine hundred fifty-nine".