102324420044 has 144 divisors (see below), whose sum is σ = 248535350784. Its totient is φ = 35889722880.

The previous prime is 102324420043. The next prime is 102324420053. The reversal of 102324420044 is 440024423201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102324419995 and 102324420022.

It is not an unprimeable number, because it can be changed into a prime (102324420043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1286087 + ... + 1363329.

It is an arithmetic number, because the mean of its divisors is an integer number (1725939936).

Almost surely, 2^102324420044 is an apocalyptic number.

102324420044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102324420044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124267675392).

102324420044 is an abundant number, since it is smaller than the sum of its proper divisors (146210930740).

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

102324420044 is a wasteful number, since it uses less digits than its factorization.

102324420044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77316 (or 77303 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 102324420044 its reverse (440024423201), we get a palindrome (542348843245).

The spelling of 102324420044 in words is "one hundred two billion, three hundred twenty-four million, four hundred twenty thousand, forty-four".