1550450204415 has 32 divisors (see below), whose sum is σ = 3150121052160. Its totient is φ = 708777235872.

The previous prime is 1550450204353. The next prime is 1550450204431. The reversal of 1550450204415 is 5144020540551.

1550450204415 is a `hidden beast` number, since 1 + 550 + 4 + 50 + 2 + 0 + 44 + 15 = 666.

It is not a de Polignac number, because 1550450204415 - 2¹⁰ = 1550450203391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1550450204415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 820343079 + ... + 820344968.

It is an arithmetic number, because the mean of its divisors is an integer number (98441282880).

Almost surely, 2^{1550450204415} is an apocalyptic number.

1550450204415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1550450204415 is an abundant number, since it is smaller than the sum of its proper divisors (1599670847745).

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

1550450204415 is a wasteful number, since it uses less digits than its factorization.

1550450204415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640688068 (or 1640688062 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 1550450204415 its reverse (5144020540551), we get a palindrome (6694470744966).

The spelling of 1550450204415 in words is "one trillion, five hundred fifty billion, four hundred fifty million, two hundred four thousand, four hundred fifteen".