1663050240 has 480 divisors, whose sum is σ = 6319684800. Its totient is φ = 402554880.

The previous prime is 1663050217. The next prime is 1663050247. The reversal of 1663050240 is 420503661.

1663050240 is a `hidden beast` number, since 1 + 6 + 630 + 5 + 0 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×1663050240² = 5531472201528115200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1663050247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12694975 + ... + 12695105.

It is an arithmetic number, because the mean of its divisors is an integer number (13166010).

Almost surely, 2^1663050240 is an apocalyptic number.

1663050240 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 1663050240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3159842400).

1663050240 is an abundant number, since it is smaller than the sum of its proper divisors (4656634560).

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

1663050240 is a wasteful number, since it uses less digits than its factorization.

1663050240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1663050240 is about 40780.5129933403. The cubic root of 1663050240 is about 1184.7729309084.

The spelling of 1663050240 in words is "one billion, six hundred sixty-three million, fifty thousand, two hundred forty".