102210324240 has 80 divisors (see below), whose sum is σ = 317331850176. Its totient is φ = 27214809600.

The previous prime is 102210324239. The next prime is 102210324259. The reversal of 102210324240 is 42423012201.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163506 + ... + 480785.

Almost surely, 2^102210324240 is an apocalyptic number.

102210324240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210324240 is an abundant number, since it is smaller than the sum of its proper divisors (215121525936).

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

102210324240 is a wasteful number, since it uses less digits than its factorization.

102210324240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644968 (or 644962 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 102210324240 its reverse (42423012201), we get a palindrome (144633336441).

The spelling of 102210324240 in words is "one hundred two billion, two hundred ten million, three hundred twenty-four thousand, two hundred forty".