1449161472 has 72 divisors (see below), whose sum is σ = 4207533120. Its totient is φ = 439137280.

The previous prime is 1449161423. The next prime is 1449161479. The reversal of 1449161472 is 2741619441.

It is a self number, because there is not a number n which added to its sum of digits gives 1449161472.

It is not an unprimeable number, because it can be changed into a prime (1449161479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77322 + ... + 94217.

It is an arithmetic number, because the mean of its divisors is an integer number (58437960).

Almost surely, 2^1449161472 is an apocalyptic number.

1449161472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1449161472 is an abundant number, since it is smaller than the sum of its proper divisors (2758371648).

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

1449161472 is a wasteful number, since it uses less digits than its factorization.

1449161472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171569 (or 171555 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 1449161472 is about 38067.8535249888. The cubic root of 1449161472 is about 1131.6329725309.

The spelling of 1449161472 in words is "one billion, four hundred forty-nine million, one hundred sixty-one thousand, four hundred seventy-two".