1355442204550 has 48 divisors (see below), whose sum is σ = 2881406908512. Its totient is φ = 464703033600.

The previous prime is 1355442204539. The next prime is 1355442204551. The reversal of 1355442204550 is 554022445531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355442204551) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9693130 + ... + 9831970.

It is an arithmetic number, because the mean of its divisors is an integer number (60029310594).

Almost surely, 2^{1355442204550} is an apocalyptic number.

1355442204550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1355442204550 is an abundant number, since it is smaller than the sum of its proper divisors (1525964703962).

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

1355442204550 is a wasteful number, since it uses less digits than its factorization.

1355442204550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166753 (or 166748 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 1355442204550 in words is "one trillion, three hundred fifty-five billion, four hundred forty-two million, two hundred four thousand, five hundred fifty".