406660056415 has 8 divisors (see below), whose sum is σ = 488275300368. Its totient is φ = 325139223360.

The previous prime is 406660056373. The next prime is 406660056419. The reversal of 406660056415 is 514650066604.

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

It is a de Polignac number, because none of the positive numbers 2^k-406660056415 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 (406660056419) 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, 23593246 + ... + 23610475.

It is an arithmetic number, because the mean of its divisors is an integer number (61034412546).

Almost surely, 2^406660056415 is an apocalyptic number.

406660056415 is a deficient number, since it is larger than the sum of its proper divisors (81615243953).

406660056415 is a wasteful number, since it uses less digits than its factorization.

406660056415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47205449.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 406660056415 in words is "four hundred six billion, six hundred sixty million, fifty-six thousand, four hundred fifteen".