21403413350410 has 192 divisors, whose sum is σ = 51117740900352. Its totient is φ = 6373472200704.

The previous prime is 21403413350387. The next prime is 21403413350453. The reversal of 21403413350410 is 1405331430412.

It is a super-2 number, since 2×21403413350410² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 387975489 + ... + 388030651.

It is an arithmetic number, because the mean of its divisors is an integer number (266238233856).

Almost surely, 2^{21403413350410} is an apocalyptic number.

21403413350410 is an abundant number, since it is smaller than the sum of its proper divisors (29714327549942).

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

21403413350410 is a wasteful number, since it uses less digits than its factorization.

21403413350410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58797 (or 58790 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 21403413350410 its reverse (1405331430412), we get a palindrome (22808744780822).

The spelling of 21403413350410 in words is "twenty-one trillion, four hundred three billion, four hundred thirteen million, three hundred fifty thousand, four hundred ten".