21410224044 has 24 divisors (see below), whose sum is σ = 54498752448. Its totient is φ = 6487946640.

The previous prime is 21410224037. The next prime is 21410224051. The reversal of 21410224044 is 44042201412.

It is an interprime number because it is at equal distance from previous prime (21410224037) and next prime (21410224051).

It is a super-2 number, since 2×21410224044² (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 7 ways as a sum of consecutive naturals, for example, 81099202 + ... + 81099465.

It is an arithmetic number, because the mean of its divisors is an integer number (2270781352).

Almost surely, 2^21410224044 is an apocalyptic number.

It is an amenable number.

21410224044 is an abundant number, since it is smaller than the sum of its proper divisors (33088528404).

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

21410224044 is a wasteful number, since it uses less digits than its factorization.

21410224044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162198685 (or 162198683 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 21410224044 its reverse (44042201412), we get a palindrome (65452425456).

The spelling of 21410224044 in words is "twenty-one billion, four hundred ten million, two hundred twenty-four thousand, forty-four".