302315200040 has 48 divisors (see below), whose sum is σ = 791263768500. Its totient is φ = 103650925056.

The previous prime is 302315199937. The next prime is 302315200091. The reversal of 302315200040 is 40002513203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 276758062084 + 25557137956 = 526078^2 + 159866^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 302315199985 and 302315200021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77119265 + ... + 77123184.

Almost surely, 2^302315200040 is an apocalyptic number.

It is an amenable number.

302315200040 is an abundant number, since it is smaller than the sum of its proper divisors (488948568460).

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

302315200040 is a wasteful number, since it uses less digits than its factorization.

302315200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154242474 (or 154242463 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 302315200040 its reverse (40002513203), we get a palindrome (342317713243).

The spelling of 302315200040 in words is "three hundred two billion, three hundred fifteen million, two hundred thousand, forty".