102462312340 has 36 divisors (see below), whose sum is σ = 217322786268. Its totient is φ = 40579052800.

The previous prime is 102462312319. The next prime is 102462312397. The reversal of 102462312340 is 43213264201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 48683774736 + 53778537604 = 220644^2 + 231902^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102462312299 and 102462312308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47089 + ... + 455128.

It is an arithmetic number, because the mean of its divisors is an integer number (6036744063).

Almost surely, 2^102462312340 is an apocalyptic number.

102462312340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102462312340 is an abundant number, since it is smaller than the sum of its proper divisors (114860473928).

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

102462312340 is a wasteful number, since it uses less digits than its factorization.

102462312340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502428 (or 502325 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 102462312340 its reverse (43213264201), we get a palindrome (145675576541).

The spelling of 102462312340 in words is "one hundred two billion, four hundred sixty-two million, three hundred twelve thousand, three hundred forty".