1323650240 has 112 divisors (see below), whose sum is σ = 3449848320. Its totient is φ = 479738880.

The previous prime is 1323650221. The next prime is 1323650303. The reversal of 1323650240 is 420563231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840601 + ... + 1841319.

Almost surely, 2^1323650240 is an apocalyptic number.

1323650240 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 1323650240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724924160).

1323650240 is an abundant number, since it is smaller than the sum of its proper divisors (2126198080).

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

1323650240 is a wasteful number, since it uses less digits than its factorization.

1323650240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1323650240 is about 36382.0043428066. The cubic root of 1323650240 is about 1097.9715344151.

The spelling of 1323650240 in words is "one billion, three hundred twenty-three million, six hundred fifty thousand, two hundred forty".