1304400103420 has 24 divisors (see below), whose sum is σ = 2780124402384. Its totient is φ = 513972577536.

The previous prime is 1304400103417. The next prime is 1304400103507. The reversal of 1304400103420 is 243010044031.

It is a junction number, because it is equal to n+sod(n) for n = 1304400103391 and 1304400103400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486715117 + ... + 486717796.

It is an arithmetic number, because the mean of its divisors is an integer number (115838516766).

Almost surely, 2^{1304400103420} is an apocalyptic number.

1304400103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304400103420 is an abundant number, since it is smaller than the sum of its proper divisors (1475724298964).

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

1304400103420 is a wasteful number, since it uses less digits than its factorization.

1304400103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973432989 (or 973432987 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1304400103420 its reverse (243010044031), we get a palindrome (1547410147451).

The spelling of 1304400103420 in words is "one trillion, three hundred four billion, four hundred million, one hundred three thousand, four hundred twenty".