304122054040 has 128 divisors (see below), whose sum is σ = 807532830720. Its totient is φ = 100872115200.

The previous prime is 304122054037. The next prime is 304122054073. The reversal of 304122054040 is 40450221403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 304122053996 and 304122054014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42276684 + ... + 42283876.

It is an arithmetic number, because the mean of its divisors is an integer number (6308850240).

Almost surely, 2^304122054040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304122054040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403766415360).

304122054040 is an abundant number, since it is smaller than the sum of its proper divisors (503410776680).

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

304122054040 is a wasteful number, since it uses less digits than its factorization.

304122054040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113 (or 12109 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 304122054040 its reverse (40450221403), we get a palindrome (344572275443).

The spelling of 304122054040 in words is "three hundred four billion, one hundred twenty-two million, fifty-four thousand, forty".