102230402440 has 32 divisors (see below), whose sum is σ = 230934836160. Its totient is φ = 40729240000.

The previous prime is 102230402431. The next prime is 102230402471. The reversal of 102230402440 is 44204032201.

It is a happy number.

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, 5081116 + ... + 5101195.

It is an arithmetic number, because the mean of its divisors is an integer number (7216713630).

Almost surely, 2^102230402440 is an apocalyptic number.

102230402440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102230402440 is an abundant number, since it is smaller than the sum of its proper divisors (128704433720).

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

102230402440 is a wasteful number, since it uses less digits than its factorization.

102230402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182573 (or 10182569 counting only the distinct ones).

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

Adding to 102230402440 its reverse (44204032201), we get a palindrome (146434434641).

The spelling of 102230402440 in words is "one hundred two billion, two hundred thirty million, four hundred two thousand, four hundred forty".