10521250444 has 6 divisors (see below), whose sum is σ = 18412188284. Its totient is φ = 5260625220.

The previous prime is 10521250417. The next prime is 10521250451. The reversal of 10521250444 is 44405212501.

It is a super-2 number, since 2×10521250444² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315156302 + ... + 1315156309.

Almost surely, 2^10521250444 is an apocalyptic number.

It is an amenable number.

10521250444 is a deficient number, since it is larger than the sum of its proper divisors (7890937840).

10521250444 is a wasteful number, since it uses less digits than its factorization.

10521250444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630312615 (or 2630312613 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 10521250444 its reverse (44405212501), we get a palindrome (54926462945).

The spelling of 10521250444 in words is "ten billion, five hundred twenty-one million, two hundred fifty thousand, four hundred forty-four".