102404042320 has 40 divisors (see below), whose sum is σ = 238104510336. Its totient is φ = 40959017088.

The previous prime is 102404042291. The next prime is 102404042333. The reversal of 102404042320 is 23240404201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 102404042291 and 102404042300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680709 + ... + 1740571.

Almost surely, 2^102404042320 is an apocalyptic number.

102404042320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102404042320 is an abundant number, since it is smaller than the sum of its proper divisors (135700468016).

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

102404042320 is a wasteful number, since it uses less digits than its factorization.

102404042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81259 (or 81253 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 102404042320 its reverse (23240404201), we get a palindrome (125644446521).

The spelling of 102404042320 in words is "one hundred two billion, four hundred four million, forty-two thousand, three hundred twenty".