21441001410 has 96 divisors (see below), whose sum is σ = 56175275520. Its totient is φ = 5673757824.

The previous prime is 21441001333. The next prime is 21441001411. The reversal of 21441001410 is 1410014412.

21441001410 is a `hidden beast` number, since 214 + 41 + 0 + 0 + 1 + 410 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (21441001411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15615484 + ... + 15616856.

It is an arithmetic number, because the mean of its divisors is an integer number (585159120).

Almost surely, 2^21441001410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21441001410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28087637760).

21441001410 is an abundant number, since it is smaller than the sum of its proper divisors (34734274110).

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

21441001410 is a wasteful number, since it uses less digits than its factorization.

21441001410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592 (or 2589 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 21441001410 its reverse (1410014412), we get a palindrome (22851015822).

The spelling of 21441001410 in words is "twenty-one billion, four hundred forty-one million, one thousand, four hundred ten".