304222412040 has 32 divisors (see below), whose sum is σ = 912667236480. Its totient is φ = 81125976512.

The previous prime is 304222411979. The next prime is 304222412047. The reversal of 304222412040 is 40214222403.

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

It is a self number, because there is not a number n which added to its sum of digits gives 304222412040.

It is not an unprimeable number, because it can be changed into a prime (304222412047) 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, 1267593264 + ... + 1267593503.

It is an arithmetic number, because the mean of its divisors is an integer number (28520851140).

Almost surely, 2^304222412040 is an apocalyptic number.

304222412040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304222412040 is an abundant number, since it is smaller than the sum of its proper divisors (608444824440).

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

304222412040 is a wasteful number, since it uses less digits than its factorization.

304222412040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535186781 (or 2535186777 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 304222412040 its reverse (40214222403), we get a palindrome (344436634443).

The spelling of 304222412040 in words is "three hundred four billion, two hundred twenty-two million, four hundred twelve thousand, forty".