1304220315240 has 128 divisors (see below), whose sum is σ = 4348860508800. Its totient is φ = 347675328000.

The previous prime is 1304220315199. The next prime is 1304220315257. The reversal of 1304220315240 is 425130224031.

1304220315240 is a `hidden beast` number, since 1 + 304 + 2 + 2 + 0 + 315 + 2 + 40 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 3039879 + ... + 3442281.

It is an arithmetic number, because the mean of its divisors is an integer number (33975472725).

Almost surely, 2^{1304220315240} is an apocalyptic number.

1304220315240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304220315240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2174430254400).

1304220315240 is an abundant number, since it is smaller than the sum of its proper divisors (3044640193560).

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

1304220315240 is a wasteful number, since it uses less digits than its factorization.

1304220315240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405424 (or 405414 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1304220315240 its reverse (425130224031), we get a palindrome (1729350539271).

The spelling of 1304220315240 in words is "one trillion, three hundred four billion, two hundred twenty million, three hundred fifteen thousand, two hundred forty".