102440043330 has 64 divisors (see below), whose sum is σ = 251553074688. Its totient is φ = 26686506240.

The previous prime is 102440043301. The next prime is 102440043341. The reversal of 102440043330 is 33340044201.

It is a self number, because there is not a number n which added to its sum of digits gives 102440043330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 695664 + ... + 829956.

It is an arithmetic number, because the mean of its divisors is an integer number (3930516792).

Almost surely, 2^102440043330 is an apocalyptic number.

102440043330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102440043330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125776537344).

102440043330 is an abundant number, since it is smaller than the sum of its proper divisors (149113031358).

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

102440043330 is a wasteful number, since it uses less digits than its factorization.

102440043330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134891.

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

Adding to 102440043330 its reverse (33340044201), we get a palindrome (135780087531).

The spelling of 102440043330 in words is "one hundred two billion, four hundred forty million, forty-three thousand, three hundred thirty".