1965000450208 has 24 divisors (see below), whose sum is σ = 3868980625440. Its totient is φ = 982402196160.

The previous prime is 1965000450187. The next prime is 1965000450221. The reversal of 1965000450208 is 8020540005691.

It is a super-2 number, since 2×1965000450208² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737138 + ... + 3379633.

It is an arithmetic number, because the mean of its divisors is an integer number (161207526060).

Almost surely, 2^{1965000450208} is an apocalyptic number.

It is an amenable number.

1965000450208 is a deficient number, since it is larger than the sum of its proper divisors (1903980175232).

1965000450208 is a wasteful number, since it uses less digits than its factorization.

1965000450208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126820 (or 6126812 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

Adding to 1965000450208 its reverse (8020540005691), we get a palindrome (9985540455899).

The spelling of 1965000450208 in words is "one trillion, nine hundred sixty-five billion, four hundred fifty thousand, two hundred eight".