21002441410 has 64 divisors (see below), whose sum is σ = 42280786944. Its totient is φ = 7473715200.

The previous prime is 21002441401. The next prime is 21002441423. The reversal of 21002441410 is 1414420012.

It is a super-2 number, since 2×21002441410² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180270 + ... + 272950.

It is an arithmetic number, because the mean of its divisors is an integer number (660637296).

Almost surely, 2^21002441410 is an apocalyptic number.

21002441410 is an abundant number, since it is smaller than the sum of its proper divisors (21278345534).

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

21002441410 is a wasteful number, since it uses less digits than its factorization.

21002441410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92779.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 21002441410 its reverse (1414420012), we get a palindrome (22416861422).

The spelling of 21002441410 in words is "twenty-one billion, two million, four hundred forty-one thousand, four hundred ten".