102402321040140 has 96 divisors (see below), whose sum is σ = 313572576360960. Its totient is φ = 24762897792000.

The previous prime is 102402321040127. The next prime is 102402321040147. The reversal of 102402321040140 is 41040123204201.

It is a self number, because there is not a number n which added to its sum of digits gives 102402321040140.

It is not an unprimeable number, because it can be changed into a prime (102402321040147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193195480 + ... + 193724799.

It is an arithmetic number, because the mean of its divisors is an integer number (3266381003760).

Almost surely, 2^{102402321040140} is an apocalyptic number.

102402321040140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102402321040140 is an abundant number, since it is smaller than the sum of its proper divisors (211170255320820).

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

102402321040140 is a wasteful number, since it uses less digits than its factorization.

102402321040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386920703 (or 386920701 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102402321040140 its reverse (41040123204201), we get a palindrome (143442444244341).

The spelling of 102402321040140 in words is "one hundred two trillion, four hundred two billion, three hundred twenty-one million, forty thousand, one hundred forty".