21415414110 has 48 divisors (see below), whose sum is σ = 53108515728. Its totient is φ = 5526551040.

The previous prime is 21415414091. The next prime is 21415414127. The reversal of 21415414110 is 1141451412.

It is a happy number.

It is a super-3 number, since 3×21415414110³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342579 + ... + 400238.

It is an arithmetic number, because the mean of its divisors is an integer number (1106427411).

Almost surely, 2^21415414110 is an apocalyptic number.

21415414110 is an abundant number, since it is smaller than the sum of its proper divisors (31693101618).

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

21415414110 is a wasteful number, since it uses less digits than its factorization.

21415414110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742889 (or 742858 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 21415414110 its reverse (1141451412), we get a palindrome (22556865522).

The spelling of 21415414110 in words is "twenty-one billion, four hundred fifteen million, four hundred fourteen thousand, one hundred ten".