402440300304 has 40 divisors (see below), whose sum is σ = 1188157078080. Its totient is φ = 114982942848.

The previous prime is 402440300281. The next prime is 402440300309. The reversal of 402440300304 is 403003044204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (402440300309) 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, 598869159 + ... + 598869830.

It is an arithmetic number, because the mean of its divisors is an integer number (29703926952).

Almost surely, 2^402440300304 is an apocalyptic number.

It is an amenable number.

402440300304 is an abundant number, since it is smaller than the sum of its proper divisors (785716777776).

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

402440300304 is a wasteful number, since it uses less digits than its factorization.

402440300304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197739007 (or 1197739001 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 402440300304 its reverse (403003044204), we get a palindrome (805443344508).

The spelling of 402440300304 in words is "four hundred two billion, four hundred forty million, three hundred thousand, three hundred four".