21441144310 has 32 divisors (see below), whose sum is σ = 39098770560. Its totient is φ = 8464390272.

The previous prime is 21441144251. The next prime is 21441144337. The reversal of 21441144310 is 1344114412.

It is a super-2 number, since 2×21441144310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2774572 + ... + 2782288.

It is an arithmetic number, because the mean of its divisors is an integer number (1221836580).

Almost surely, 2^21441144310 is an apocalyptic number.

21441144310 is a deficient number, since it is larger than the sum of its proper divisors (17657626250).

21441144310 is a wasteful number, since it uses less digits than its factorization.

21441144310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11320.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 21441144310 its reverse (1344114412), we get a palindrome (22785258722).

The spelling of 21441144310 in words is "twenty-one billion, four hundred forty-one million, one hundred forty-four thousand, three hundred ten".