1449977328 has 160 divisors (see below), whose sum is σ = 4435430400. Its totient is φ = 451943424.

The previous prime is 1449977303. The next prime is 1449977357. The reversal of 1449977328 is 8237799441.

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

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 31 ways as a sum of consecutive naturals, for example, 1314025 + ... + 1315127.

It is an arithmetic number, because the mean of its divisors is an integer number (27721440).

Almost surely, 2^1449977328 is an apocalyptic number.

1449977328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449977328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2217715200).

1449977328 is an abundant number, since it is smaller than the sum of its proper divisors (2985453072).

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

1449977328 is a wasteful number, since it uses less digits than its factorization.

1449977328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1304 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 1449977328 is about 38078.5678302113. The cubic root of 1449977328 is about 1131.8452967758.

The spelling of 1449977328 in words is "one billion, four hundred forty-nine million, nine hundred seventy-seven thousand, three hundred twenty-eight".