1575450240 has 512 divisors, whose sum is σ = 6317015040. Its totient is φ = 325140480.

The previous prime is 1575450221. The next prime is 1575450241. The reversal of 1575450240 is 420545751.

It is not an unprimeable number, because it can be changed into a prime (1575450241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12405057 + ... + 12405183.

It is an arithmetic number, because the mean of its divisors is an integer number (12337920).

Almost surely, 2^1575450240 is an apocalyptic number.

1575450240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1575450240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3158507520).

1575450240 is an abundant number, since it is smaller than the sum of its proper divisors (4741564800).

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

1575450240 is a wasteful number, since it uses less digits than its factorization.

1575450240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 1575450240 is about 39691.9417514437. The cubic root of 1575450240 is about 1163.5942422016.

Adding to 1575450240 its reverse (420545751), we get a palindrome (1995995991).

The spelling of 1575450240 in words is "one billion, five hundred seventy-five million, four hundred fifty thousand, two hundred forty".