12302660455440 has 160 divisors (see below), whose sum is σ = 38693324647296. Its totient is φ = 3233036759040.

The previous prime is 12302660455427. The next prime is 12302660455471. The reversal of 12302660455440 is 4455406620321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12302660455392 and 12302660455401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20500450 + ... + 21092030.

Almost surely, 2^{12302660455440} is an apocalyptic number.

12302660455440 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 12302660455440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19346662323648).

12302660455440 is an abundant number, since it is smaller than the sum of its proper divisors (26390664191856).

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

12302660455440 is a wasteful number, since it uses less digits than its factorization.

12302660455440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592857 (or 592851 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 12302660455440 in words is "twelve trillion, three hundred two billion, six hundred sixty million, four hundred fifty-five thousand, four hundred forty".