1405550320404 has 48 divisors (see below), whose sum is σ = 3478392263808. Its totient is φ = 440213321728.

The previous prime is 1405550320403. The next prime is 1405550320411. The reversal of 1405550320404 is 4040230555041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405550320403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5688432 + ... + 5930375.

It is an arithmetic number, because the mean of its divisors is an integer number (72466505496).

Almost surely, 2^{1405550320404} is an apocalyptic number.

It is an amenable number.

1405550320404 is an abundant number, since it is smaller than the sum of its proper divisors (2072841943404).

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

1405550320404 is a wasteful number, since it uses less digits than its factorization.

1405550320404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11619424 (or 11619422 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 1405550320404 its reverse (4040230555041), we get a palindrome (5445780875445).

The spelling of 1405550320404 in words is "one trillion, four hundred five billion, five hundred fifty million, three hundred twenty thousand, four hundred four".