1304440058 has 4 divisors (see below), whose sum is σ = 1956660090. Its totient is φ = 652220028.

The previous prime is 1304440057. The next prime is 1304440063. The reversal of 1304440058 is 8500444031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8500444031 = 2897 ⋅2934223.

It can be written as a sum of positive squares in only one way, i.e., 769119289 + 535320769 = 27733^2 + 23137^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1304440058.

It is not an unprimeable number, because it can be changed into a prime (1304440057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326110013 + ... + 326110016.

Almost surely, 2^1304440058 is an apocalyptic number.

1304440058 is a deficient number, since it is larger than the sum of its proper divisors (652220032).

1304440058 is an equidigital number, since it uses as much as digits as its factorization.

1304440058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652220031.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1304440058 is about 36117.0327961753. The cubic root of 1304440058 is about 1092.6339962054.

Adding to 1304440058 its reverse (8500444031), we get a palindrome (9804884089).

The spelling of 1304440058 in words is "one billion, three hundred four million, four hundred forty thousand, fifty-eight".