1450729135640 has 64 divisors (see below), whose sum is σ = 3271348663200. Its totient is φ = 579010885632.

The previous prime is 1450729135619. The next prime is 1450729135693. The reversal of 1450729135640 is 465319270541.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 89383046 + ... + 89399274.

Almost surely, 2^{1450729135640} is an apocalyptic number.

1450729135640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450729135640 is an abundant number, since it is smaller than the sum of its proper divisors (1820619527560).

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

1450729135640 is a wasteful number, since it uses less digits than its factorization.

1450729135640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21036 (or 21032 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 1450729135640 in words is "one trillion, four hundred fifty billion, seven hundred twenty-nine million, one hundred thirty-five thousand, six hundred forty".