2104218680 has 16 divisors (see below), whose sum is σ = 4734492120. Its totient is φ = 841687456.

The previous prime is 2104218679. The next prime is 2104218709. The reversal of 2104218680 is 868124012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26302694 + ... + 26302773.

Almost surely, 2^2104218680 is an apocalyptic number.

2104218680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104218680 is an abundant number, since it is smaller than the sum of its proper divisors (2630273440).

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

2104218680 is a wasteful number, since it uses less digits than its factorization.

2104218680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52605478 (or 52605474 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 2104218680 is about 45871.7634280611. The cubic root of 2104218680 is about 1281.4361078694.

The spelling of 2104218680 in words is "two billion, one hundred four million, two hundred eighteen thousand, six hundred eighty".