21602852470460 has 192 divisors, whose sum is σ = 47435469312000. Its totient is φ = 8256689925120.

The previous prime is 21602852470447. The next prime is 21602852470483. The reversal of 21602852470460 is 6407425820612.

It is a super-2 number, since 2×21602852470460² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9726632150 + ... + 9726634370.

It is an arithmetic number, because the mean of its divisors is an integer number (247059736000).

Almost surely, 2^{21602852470460} is an apocalyptic number.

21602852470460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21602852470460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23717734656000).

21602852470460 is an abundant number, since it is smaller than the sum of its proper divisors (25832616841540).

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

21602852470460 is a wasteful number, since it uses less digits than its factorization.

21602852470460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164 (or 3162 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 21602852470460 in words is "twenty-one trillion, six hundred two billion, eight hundred fifty-two million, four hundred seventy thousand, four hundred sixty".