102404130320 has 40 divisors (see below), whose sum is σ = 238343875224. Its totient is φ = 40917906432.

The previous prime is 102404130319. The next prime is 102404130337. The reversal of 102404130320 is 23031404201.

It can be written as a sum of positive squares in 4 ways, for example, as 13263668224 + 89140462096 = 115168^2 + 298564^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102404130292 and 102404130301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608099 + ... + 758018.

Almost surely, 2^102404130320 is an apocalyptic number.

102404130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102404130320 is an abundant number, since it is smaller than the sum of its proper divisors (135939744904).

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

102404130320 is a wasteful number, since it uses less digits than its factorization.

102404130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367067 (or 1367061 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102404130320 its reverse (23031404201), we get a palindrome (125435534521).

The spelling of 102404130320 in words is "one hundred two billion, four hundred four million, one hundred thirty thousand, three hundred twenty".