302312244040 has 32 divisors (see below), whose sum is σ = 680247029880. Its totient is φ = 120916989952.

The previous prime is 302312244011. The next prime is 302312244049. The reversal of 302312244040 is 40442213203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 189627153444 + 112685090596 = 435462^2 + 335686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 302312243996 and 302312244014.

It is not an unprimeable number, because it can be changed into a prime (302312244049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392664 + ... + 871096.

Almost surely, 2^302312244040 is an apocalyptic number.

It is an amenable number.

302312244040 is an abundant number, since it is smaller than the sum of its proper divisors (377934785840).

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

302312244040 is a wasteful number, since it uses less digits than its factorization.

302312244040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494241 (or 494237 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 302312244040 its reverse (40442213203), we get a palindrome (342754457243).

The spelling of 302312244040 in words is "three hundred two billion, three hundred twelve million, two hundred forty-four thousand, forty".