1332405550 has 72 divisors (see below), whose sum is σ = 2926279224. Its totient is φ = 449951040.

The previous prime is 1332405539. The next prime is 1332405559. The reversal of 1332405550 is 555042331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332405559) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 160092 + ... + 168208.

It is an arithmetic number, because the mean of its divisors is an integer number (40642767).

Almost surely, 2^1332405550 is an apocalyptic number.

1332405550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1332405550 is an abundant number, since it is smaller than the sum of its proper divisors (1593873674).

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

1332405550 is a wasteful number, since it uses less digits than its factorization.

1332405550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210 (or 8198 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1332405550 is about 36502.1307597242. The cubic root of 1332405550 is about 1100.3870676395.

Adding to 1332405550 its reverse (555042331), we get a palindrome (1887447881).

The spelling of 1332405550 in words is "one billion, three hundred thirty-two million, four hundred five thousand, five hundred fifty".