102403330440 has 128 divisors (see below), whose sum is σ = 335774315520. Its totient is φ = 24872140800.

The previous prime is 102403330417. The next prime is 102403330511. The reversal of 102403330440 is 44033304201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 102403330440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746401 + ... + 872880.

It is an arithmetic number, because the mean of its divisors is an integer number (2623236840).

Almost surely, 2^102403330440 is an apocalyptic number.

102403330440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102403330440 is an abundant number, since it is smaller than the sum of its proper divisors (233370985080).

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

102403330440 is a wasteful number, since it uses less digits than its factorization.

102403330440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619343 (or 1619339 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 102403330440 its reverse (44033304201), we get a palindrome (146436634641).

The spelling of 102403330440 in words is "one hundred two billion, four hundred three million, three hundred thirty thousand, four hundred forty".