1449998550 has 768 divisors, whose sum is σ = 5699635200. Its totient is φ = 261273600.

The previous prime is 1449998491. The next prime is 1449998567. The reversal of 1449998550 is 558999441.

1449998550 is a `hidden beast` number, since 14 + 499 + 98 + 5 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

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 383 ways as a sum of consecutive naturals, for example, 39189132 + ... + 39189168.

It is an arithmetic number, because the mean of its divisors is an integer number (7421400).

Almost surely, 2^1449998550 is an apocalyptic number.

1449998550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449998550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2849817600).

1449998550 is an abundant number, since it is smaller than the sum of its proper divisors (4249636650).

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

1449998550 is a wasteful number, since it uses less digits than its factorization.

1449998550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The square root of 1449998550 is about 38078.8464898820. The cubic root of 1449998550 is about 1131.8508186791.

It can be divided in two parts, 1449 and 998550, that added together give a palindrome (999999).

The spelling of 1449998550 in words is "one billion, four hundred forty-nine million, nine hundred ninety-eight thousand, five hundred fifty".