1304440413 has 16 divisors (see below), whose sum is σ = 1900970496. Its totient is φ = 792069120.

The previous prime is 1304440411. The next prime is 1304440427. The reversal of 1304440413 is 3140444031.

It is not a de Polignac number, because 1304440413 - 2¹ = 1304440411 is a prime.

It is a super-2 number, since 2×1304440413² = 3403129582135221138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304440411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410956 + ... + 414117.

It is an arithmetic number, because the mean of its divisors is an integer number (118810656).

Almost surely, 2^1304440413 is an apocalyptic number.

It is an amenable number.

1304440413 is a deficient number, since it is larger than the sum of its proper divisors (596530083).

1304440413 is a wasteful number, since it uses less digits than its factorization.

1304440413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825124.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1304440413 is about 36117.0377107536. The cubic root of 1304440413 is about 1092.6340953245.

Adding to 1304440413 its reverse (3140444031), we get a palindrome (4444884444).

The spelling of 1304440413 in words is "one billion, three hundred four million, four hundred forty thousand, four hundred thirteen".