302030121240040 has 64 divisors (see below), whose sum is σ = 686205268594560. Its totient is φ = 119637400723200.

The previous prime is 302030121240031. The next prime is 302030121240059. The reversal of 302030121240040 is 40042121030203.

It is a junction number, because it is equal to n+sod(n) for n = 302030121239993 and 302030121240020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81810636 + ... + 85422715.

It is an arithmetic number, because the mean of its divisors is an integer number (10721957321790).

Almost surely, 2^{302030121240040} is an apocalyptic number.

It is an amenable number.

302030121240040 is an abundant number, since it is smaller than the sum of its proper divisors (384175147354520).

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

302030121240040 is a wasteful number, since it uses less digits than its factorization.

302030121240040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167233802 (or 167233798 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 302030121240040 its reverse (40042121030203), we get a palindrome (342072242270243).

The spelling of 302030121240040 in words is "three hundred two trillion, thirty billion, one hundred twenty-one million, two hundred forty thousand, forty".