102430103440 has 80 divisors (see below), whose sum is σ = 274866336000. Its totient is φ = 34771161600.

The previous prime is 102430103431. The next prime is 102430103443. The reversal of 102430103440 is 44301034201.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (102430103443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848940 + ... + 962059.

It is an arithmetic number, because the mean of its divisors is an integer number (3435829200).

Almost surely, 2^102430103440 is an apocalyptic number.

102430103440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102430103440 is an abundant number, since it is smaller than the sum of its proper divisors (172436232560).

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

102430103440 is a wasteful number, since it uses less digits than its factorization.

102430103440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811120 (or 1811114 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 102430103440 its reverse (44301034201), we get a palindrome (146731137641).

The spelling of 102430103440 in words is "one hundred two billion, four hundred thirty million, one hundred three thousand, four hundred forty".