12044400550 has 192 divisors, whose sum is σ = 30142070784. Its totient is φ = 3471206400.

The previous prime is 12044400541. The next prime is 12044400583. The reversal of 12044400550 is 5500444021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2395339 + ... + 2400361.

It is an arithmetic number, because the mean of its divisors is an integer number (156989952).

Almost surely, 2^12044400550 is an apocalyptic number.

12044400550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12044400550 is an abundant number, since it is smaller than the sum of its proper divisors (18097670234).

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

12044400550 is a wasteful number, since it uses less digits than its factorization.

12044400550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 12044400550 its reverse (5500444021), we get a palindrome (17544844571).

The spelling of 12044400550 in words is "twelve billion, forty-four million, four hundred thousand, five hundred fifty".