1355050404 has 96 divisors (see below), whose sum is σ = 3696336000. Its totient is φ = 428658048.

The previous prime is 1355050381. The next prime is 1355050409. The reversal of 1355050404 is 4040505531.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1355050409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181122 + ... + 188454.

It is an arithmetic number, because the mean of its divisors is an integer number (38503500).

Almost surely, 2^1355050404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355050404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848168000).

1355050404 is an abundant number, since it is smaller than the sum of its proper divisors (2341285596).

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

1355050404 is a wasteful number, since it uses less digits than its factorization.

1355050404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434 (or 7426 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1355050404 is about 36811.0092771171. The cubic root of 1355050404 is about 1106.5859454276.

Adding to 1355050404 its reverse (4040505531), we get a palindrome (5395555935).

The spelling of 1355050404 in words is "one billion, three hundred fifty-five million, fifty thousand, four hundred four".