1449918810 has 24 divisors (see below), whose sum is σ = 3769789140. Its totient is φ = 386644992.

The previous prime is 1449918809. The next prime is 1449918859. The reversal of 1449918810 is 188199441.

It can be written as a sum of positive squares in 2 ways, for example, as 1438609041 + 11309769 = 37929^2 + 3363^2 .

It is a super-2 number, since 2×1449918810² = 4204529111183632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8055015 + ... + 8055194.

Almost surely, 2^1449918810 is an apocalyptic number.

1449918810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1449918810 is an abundant number, since it is smaller than the sum of its proper divisors (2319870330).

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

1449918810 is a wasteful number, since it uses less digits than its factorization.

1449918810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16110222 (or 16110219 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 1449918810 is about 38077.7994374675. The cubic root of 1449918810 is about 1131.8300702816.

The spelling of 1449918810 in words is "one billion, four hundred forty-nine million, nine hundred eighteen thousand, eight hundred ten".