406320593090 has 8 divisors (see below), whose sum is σ = 731377067580. Its totient is φ = 162528237232.

The previous prime is 406320593023. The next prime is 406320593099. The reversal of 406320593090 is 90395023604.

It can be written as a sum of positive squares in 2 ways, for example, as 393955820281 + 12364772809 = 627659^2 + 111197^2 .

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

It is not an unprimeable number, because it can be changed into a prime (406320593099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20316029645 + ... + 20316029664.

Almost surely, 2^406320593090 is an apocalyptic number.

406320593090 is a deficient number, since it is larger than the sum of its proper divisors (325056474490).

406320593090 is a wasteful number, since it uses less digits than its factorization.

406320593090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40632059316.

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 406320593090 in words is "four hundred six billion, three hundred twenty million, five hundred ninety-three thousand, ninety".