10021594450 has 24 divisors (see below), whose sum is σ = 21303047232. Its totient is φ = 3435975120.

The previous prime is 10021594417. The next prime is 10021594459. The reversal of 10021594450 is 5449512001.

It is not an unprimeable number, because it can be changed into a prime (10021594459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14316214 + ... + 14316913.

It is an arithmetic number, because the mean of its divisors is an integer number (887626968).

Almost surely, 2^10021594450 is an apocalyptic number.

10021594450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021594450 is an abundant number, since it is smaller than the sum of its proper divisors (11281452782).

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

10021594450 is a wasteful number, since it uses less digits than its factorization.

10021594450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28633146 (or 28633141 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 10021594450 in words is "ten billion, twenty-one million, five hundred ninety-four thousand, four hundred fifty".