12440741550 has 48 divisors (see below), whose sum is σ = 30860136432. Its totient is φ = 3316768000.

The previous prime is 12440741531. The next prime is 12440741603. The reversal of 12440741550 is 5514704421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 998962 + ... + 1011338.

It is an arithmetic number, because the mean of its divisors is an integer number (642919509).

Almost surely, 2^12440741550 is an apocalyptic number.

12440741550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12440741550 is an abundant number, since it is smaller than the sum of its proper divisors (18419394882).

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

12440741550 is a wasteful number, since it uses less digits than its factorization.

12440741550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19093 (or 19088 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The spelling of 12440741550 in words is "twelve billion, four hundred forty million, seven hundred forty-one thousand, five hundred fifty".