1449655318 has 16 divisors (see below), whose sum is σ = 2201696640. Its totient is φ = 715777216.

The previous prime is 1449655313. The next prime is 1449655381. The reversal of 1449655318 is 8135569441.

It is a super-2 number, since 2×1449655318² = 4203001082011362248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449655313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148896 + ... + 158332.

It is an arithmetic number, because the mean of its divisors is an integer number (137606040).

Almost surely, 2^1449655318 is an apocalyptic number.

1449655318 is a deficient number, since it is larger than the sum of its proper divisors (752041322).

1449655318 is an equidigital number, since it uses as much as digits as its factorization.

1449655318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10391.

The product of its digits is 518400, while the sum is 46.

The square root of 1449655318 is about 38074.3393639338. The cubic root of 1449655318 is about 1131.7615040892.

The spelling of 1449655318 in words is "one billion, four hundred forty-nine million, six hundred fifty-five thousand, three hundred eighteen".