1449732318 has 32 divisors (see below), whose sum is σ = 2966530560. Its totient is φ = 472193280.

The previous prime is 1449732289. The next prime is 1449732353. The reversal of 1449732318 is 8132379441.

It is a self number, because there is not a number n which added to its sum of digits gives 1449732318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30213 + ... + 61743.

It is an arithmetic number, because the mean of its divisors is an integer number (92704080).

Almost surely, 2^1449732318 is an apocalyptic number.

1449732318 is an abundant number, since it is smaller than the sum of its proper divisors (1516798242).

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

1449732318 is a wasteful number, since it uses less digits than its factorization.

1449732318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31712.

The product of its digits is 145152, while the sum is 42.

The square root of 1449732318 is about 38075.3505302315. The cubic root of 1449732318 is about 1131.7815419773.

The spelling of 1449732318 in words is "one billion, four hundred forty-nine million, seven hundred thirty-two thousand, three hundred eighteen".