406066588242 has 48 divisors (see below), whose sum is σ = 970261239360. Its totient is φ = 110974713696.

The previous prime is 406066588241. The next prime is 406066588253. The reversal of 406066588242 is 242885660604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (406066588241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9116017 + ... + 9160452.

It is an arithmetic number, because the mean of its divisors is an integer number (20213775820).

Almost surely, 2^406066588242 is an apocalyptic number.

406066588242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

406066588242 is an abundant number, since it is smaller than the sum of its proper divisors (564194651118).

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

406066588242 is a wasteful number, since it uses less digits than its factorization.

406066588242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18276527 (or 18276504 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 406066588242 in words is "four hundred six billion, sixty-six million, five hundred eighty-eight thousand, two hundred forty-two".