101550404440 has 16 divisors (see below), whose sum is σ = 228488410080. Its totient is φ = 40620161760.

The previous prime is 101550404429. The next prime is 101550404503. The reversal of 101550404440 is 44404055101.

It is a junction number, because it is equal to n+sod(n) for n = 101550404399 and 101550404408.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1269380016 + ... + 1269380095.

It is an arithmetic number, because the mean of its divisors is an integer number (14280525630).

Almost surely, 2^101550404440 is an apocalyptic number.

101550404440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101550404440 is an abundant number, since it is smaller than the sum of its proper divisors (126938005640).

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

101550404440 is a wasteful number, since it uses less digits than its factorization.

101550404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538760122 (or 2538760118 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 101550404440 its reverse (44404055101), we get a palindrome (145954459541).

The spelling of 101550404440 in words is "one hundred one billion, five hundred fifty million, four hundred four thousand, four hundred forty".