406460404442 has 8 divisors (see below), whose sum is σ = 614140903476. Its totient is φ = 201746769952.

The previous prime is 406460404439. The next prime is 406460404489. The reversal of 406460404442 is 244404064604.

It can be written as a sum of positive squares in 2 ways, for example, as 403213570081 + 3246834361 = 634991^2 + 56981^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 406460404396 and 406460404405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741715793 + ... + 741716340.

Almost surely, 2^406460404442 is an apocalyptic number.

406460404442 is a deficient number, since it is larger than the sum of its proper divisors (207680499034).

406460404442 is a wasteful number, since it uses less digits than its factorization.

406460404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483432272.

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 406460404442 in words is "four hundred six billion, four hundred sixty million, four hundred four thousand, four hundred forty-two".