406002765009 has 8 divisors (see below), whose sum is σ = 542181542112. Its totient is φ = 270246248960.

The previous prime is 406002764969. The next prime is 406002765017. The reversal of 406002765009 is 900567200604.

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

It is a cyclic number.

It is not a de Polignac number, because 406002765009 - 2⁸ = 406002764753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406002765029) 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, 105563019 + ... + 105566864.

It is an arithmetic number, because the mean of its divisors is an integer number (67772692764).

Almost surely, 2^406002765009 is an apocalyptic number.

It is an amenable number.

406002765009 is a deficient number, since it is larger than the sum of its proper divisors (136178777103).

406002765009 is a wasteful number, since it uses less digits than its factorization.

406002765009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211130527.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 406002765009 in words is "four hundred six billion, two million, seven hundred sixty-five thousand, nine".