404005513400055 has 80 divisors (see below), whose sum is σ = 828747641519424. Its totient is φ = 184449309719040.

The previous prime is 404005513400003. The next prime is 404005513400063. The reversal of 404005513400055 is 550004315500404.

It is not a de Polignac number, because 404005513400055 - 2⁷ = 404005513399927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404005513399992 and 404005513400019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 89986006 + ... + 94368915.

Almost surely, 2^{404005513400055} is an apocalyptic number.

404005513400055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

404005513400055 is an abundant number, since it is smaller than the sum of its proper divisors (424742128119369).

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

404005513400055 is a wasteful number, since it uses less digits than its factorization.

404005513400055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184355718 (or 184355709 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 404005513400055 its reverse (550004315500404), we get a palindrome (954009828900459).

The spelling of 404005513400055 in words is "four hundred four trillion, five billion, five hundred thirteen million, four hundred thousand, fifty-five".