102040421343344 has 40 divisors (see below), whose sum is σ = 223113460471920. Its totient is φ = 44782630054400.

The previous prime is 102040421343337. The next prime is 102040421343349. The reversal of 102040421343344 is 443343124040201.

It is a super-3 number, since 3×102040421343344³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102040421343349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9996117677 + ... + 9996127884.

It is an arithmetic number, because the mean of its divisors is an integer number (5577836511798).

Almost surely, 2^{102040421343344} is an apocalyptic number.

It is an amenable number.

102040421343344 is an abundant number, since it is smaller than the sum of its proper divisors (121073039128576).

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

102040421343344 is a wasteful number, since it uses less digits than its factorization.

102040421343344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19992245609 (or 19992245603 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 102040421343344 its reverse (443343124040201), we get a palindrome (545383545383545).

The spelling of 102040421343344 in words is "one hundred two trillion, forty billion, four hundred twenty-one million, three hundred forty-three thousand, three hundred forty-four".