1290382822320 has 40 divisors (see below), whose sum is σ = 4000186749936. Its totient is φ = 344102085888.

The previous prime is 1290382822301. The next prime is 1290382822327. The reversal of 1290382822320 is 232282830921.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1290382822327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2688297307 + ... + 2688297786.

Almost surely, 2^{1290382822320} is an apocalyptic number.

1290382822320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1290382822320 is an abundant number, since it is smaller than the sum of its proper divisors (2709803927616).

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

1290382822320 is a wasteful number, since it uses less digits than its factorization.

1290382822320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376595109 (or 5376595103 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 1290382822320 in words is "one trillion, two hundred ninety billion, three hundred eighty-two million, eight hundred twenty-two thousand, three hundred twenty".