1065603650240 has 28 divisors (see below), whose sum is σ = 2537468692896. Its totient is φ = 426241459968.

The previous prime is 1065603650219. The next prime is 1065603650327. The reversal of 1065603650240 is 420563065601.

It is a happy number.

It is a super-2 number, since 2×1065603650240² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065603650194 and 1065603650203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665005384 + ... + 1665006023.

Almost surely, 2^{1065603650240} is an apocalyptic number.

1065603650240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065603650240 is an abundant number, since it is smaller than the sum of its proper divisors (1471865042656).

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

1065603650240 is an equidigital number, since it uses as much as digits as its factorization.

1065603650240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330011424 (or 3330011414 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 1065603650240 in words is "one trillion, sixty-five billion, six hundred three million, six hundred fifty thousand, two hundred forty".