1304400120455 has 16 divisors (see below), whose sum is σ = 1574767370880. Its totient is φ = 1037210654208.

The previous prime is 1304400120421. The next prime is 1304400120509. The reversal of 1304400120455 is 5540210044031.

It is a cyclic number.

It is not a de Polignac number, because 1304400120455 - 2¹⁰ = 1304400119431 is a prime.

It is a congruent number.

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, 281567 + ... + 1639536.

It is an arithmetic number, because the mean of its divisors is an integer number (98422960680).

Almost surely, 2^{1304400120455} is an apocalyptic number.

1304400120455 is a deficient number, since it is larger than the sum of its proper divisors (270367250425).

1304400120455 is a wasteful number, since it uses less digits than its factorization.

1304400120455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921930.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1304400120455 its reverse (5540210044031), we get a palindrome (6844610164486).

The spelling of 1304400120455 in words is "one trillion, three hundred four billion, four hundred million, one hundred twenty thousand, four hundred fifty-five".