10021644435192 has 32 divisors (see below), whose sum is σ = 26981350403280. Its totient is φ = 3083582903040.

The previous prime is 10021644435191. The next prime is 10021644435197. The reversal of 10021644435192 is 29153444612001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021644435191) 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, 16060327309 + ... + 16060327932.

Almost surely, 2^{10021644435192} is an apocalyptic number.

10021644435192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021644435192 is an abundant number, since it is smaller than the sum of its proper divisors (16959705968088).

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

10021644435192 is a wasteful number, since it uses less digits than its factorization.

10021644435192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32120655263 (or 32120655259 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 10021644435192 in words is "ten trillion, twenty-one billion, six hundred forty-four million, four hundred thirty-five thousand, one hundred ninety-two".