1550051044400 has 240 divisors, whose sum is σ = 4039300262880. Its totient is φ = 569450496000.

The previous prime is 1550051044379. The next prime is 1550051044411. The reversal of 1550051044400 is 44401500551.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54950300 + ... + 54978500.

It is an arithmetic number, because the mean of its divisors is an integer number (16830417762).

Almost surely, 2^{1550051044400} is an apocalyptic number.

1550051044400 is a gapful number since it is divisible by the number (10) 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 1550051044400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019650131440).

1550051044400 is an abundant number, since it is smaller than the sum of its proper divisors (2489249218480).

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

1550051044400 is a wasteful number, since it uses less digits than its factorization.

1550051044400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432 (or 28421 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 1550051044400 its reverse (44401500551), we get a palindrome (1594452544951).

The spelling of 1550051044400 in words is "one trillion, five hundred fifty billion, fifty-one million, forty-four thousand, four hundred".