406464042 has 8 divisors (see below), whose sum is σ = 812928096. Its totient is φ = 135488012.

The previous prime is 406464007. The next prime is 406464077. The reversal of 406464042 is 240464604.

It is an interprime number because it is at equal distance from previous prime (406464007) and next prime (406464077).

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

406464042 is an admirable number.

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, 33871998 + ... + 33872009.

It is an arithmetic number, because the mean of its divisors is an integer number (101616012).

Almost surely, 2^406464042 is an apocalyptic number.

406464042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406464042 is a wasteful number, since it uses less digits than its factorization.

406464042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67744012.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 406464042 is about 20160.9534000751. The cubic root of 406464042 is about 740.7540657691.

The spelling of 406464042 in words is "four hundred six million, four hundred sixty-four thousand, forty-two".