10421013444 has 96 divisors (see below), whose sum is σ = 25861226496. Its totient is φ = 3260269440.

The previous prime is 10421013437. The next prime is 10421013479. The reversal of 10421013444 is 44431012401.

It is a super-2 number, since 2×10421013444² (a number of 21 digits) contains 22 as substring.

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, 5050357 + ... + 5052419.

It is an arithmetic number, because the mean of its divisors is an integer number (269387776).

Almost surely, 2^10421013444 is an apocalyptic number.

It is an amenable number.

10421013444 is an abundant number, since it is smaller than the sum of its proper divisors (15440213052).

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

10421013444 is a wasteful number, since it uses less digits than its factorization.

10421013444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 10421013444 its reverse (44431012401), we get a palindrome (54852025845).

The spelling of 10421013444 in words is "ten billion, four hundred twenty-one million, thirteen thousand, four hundred forty-four".