1304055240 has 64 divisors (see below), whose sum is σ = 3914645760. Its totient is φ = 347527680.

The previous prime is 1304055239. The next prime is 1304055251. The reversal of 1304055240 is 425504031.

1304055240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1304055240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291420 + ... + 295860.

It is an arithmetic number, because the mean of its divisors is an integer number (61166340).

Almost surely, 2^1304055240 is an apocalyptic number.

1304055240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304055240 is an abundant number, since it is smaller than the sum of its proper divisors (2610590520).

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

1304055240 is a wasteful number, since it uses less digits than its factorization.

1304055240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902 (or 6898 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1304055240 is about 36111.7050275946. The cubic root of 1304055240 is about 1092.5265410103.

Adding to 1304055240 its reverse (425504031), we get a palindrome (1729559271).

The spelling of 1304055240 in words is "one billion, three hundred four million, fifty-five thousand, two hundred forty".