21862380360 has 64 divisors (see below), whose sum is σ = 66223946880. Its totient is φ = 5773363200.

The previous prime is 21862380313. The next prime is 21862380361. The reversal of 21862380360 is 6308326812.

It is not an unprimeable number, because it can be changed into a prime (21862380361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872041 + ... + 896760.

It is an arithmetic number, because the mean of its divisors is an integer number (1034749170).

Almost surely, 2^21862380360 is an apocalyptic number.

21862380360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21862380360 is an abundant number, since it is smaller than the sum of its proper divisors (44361566520).

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

21862380360 is a wasteful number, since it uses less digits than its factorization.

21862380360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768918 (or 1768914 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 21862380360 in words is "twenty-one billion, eight hundred sixty-two million, three hundred eighty thousand, three hundred sixty".