102044320112440 has 32 divisors (see below), whose sum is σ = 229600048754160. Its totient is φ = 40817669644800.

The previous prime is 102044320112389. The next prime is 102044320112453. The reversal of 102044320112440 is 44211023440201.

It is a junction number, because it is equal to n+sod(n) for n = 102044320112399 and 102044320112408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36329680 + ... + 39037600.

Almost surely, 2^{102044320112440} is an apocalyptic number.

102044320112440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102044320112440 is an abundant number, since it is smaller than the sum of its proper divisors (127555728641720).

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

102044320112440 is a wasteful number, since it uses less digits than its factorization.

102044320112440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650023 (or 3650019 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 102044320112440 its reverse (44211023440201), we get a palindrome (146255343552641).

The spelling of 102044320112440 in words is "one hundred two trillion, forty-four billion, three hundred twenty million, one hundred twelve thousand, four hundred forty".