21214060626 has 96 divisors (see below), whose sum is σ = 48551630400. Its totient is φ = 6127862400.

The previous prime is 21214060613. The next prime is 21214060661. The reversal of 21214060626 is 62606041212.

It is a junction number, because it is equal to n+sod(n) for n = 21214060593 and 21214060602.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12184116 + ... + 12185856.

It is an arithmetic number, because the mean of its divisors is an integer number (505746150).

Almost surely, 2^21214060626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21214060626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24275815200).

21214060626 is an abundant number, since it is smaller than the sum of its proper divisors (27337569774).

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

21214060626 is a wasteful number, since it uses less digits than its factorization.

21214060626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 21214060626 in words is "twenty-one billion, two hundred fourteen million, sixty thousand, six hundred twenty-six".