1330541550 has 216 divisors, whose sum is σ = 4094670216. Its totient is φ = 307860480.

The previous prime is 1330541539. The next prime is 1330541551. The reversal of 1330541550 is 551450331.

1330541550 = 290² + 291² + ... + 1589².

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330541551) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1690257 + ... + 1691043.

Almost surely, 2^1330541550 is an apocalyptic number.

1330541550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330541550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047335108).

1330541550 is an abundant number, since it is smaller than the sum of its proper divisors (2764128666).

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

1330541550 is a wasteful number, since it uses less digits than its factorization.

1330541550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1330541550 is about 36476.5890675101. The cubic root of 1330541550 is about 1099.8736907310.

Adding to 1330541550 its reverse (551450331), we get a palindrome (1881991881).

The spelling of 1330541550 in words is "one billion, three hundred thirty million, five hundred forty-one thousand, five hundred fifty".