101144444240 has 40 divisors (see below), whose sum is σ = 268755239040. Its totient is φ = 34678094976.

The previous prime is 101144444239. The next prime is 101144444249. The reversal of 101144444240 is 42444441101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101144444249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90306980 + ... + 90308099.

It is an arithmetic number, because the mean of its divisors is an integer number (6718880976).

Almost surely, 2^101144444240 is an apocalyptic number.

101144444240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101144444240 is an abundant number, since it is smaller than the sum of its proper divisors (167610794800).

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

101144444240 is a wasteful number, since it uses less digits than its factorization.

101144444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180615099 (or 180615093 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 101144444240 its reverse (42444441101), we get a palindrome (143588885341).

The spelling of 101144444240 in words is "one hundred one billion, one hundred forty-four million, four hundred forty-four thousand, two hundred forty".