1485544320 has 512 divisors, whose sum is σ = 6014736000. Its totient is φ = 343277568.

The previous prime is 1485544283. The next prime is 1485544321. The reversal of 1485544320 is 234455841.

It is a happy number.

1485544320 is a `hidden beast` number, since 1 + 4 + 85 + 544 + 32 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485544321) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3818686 + ... + 3819074.

Almost surely, 2^1485544320 is an apocalyptic number.

1485544320 is a gapful number since it is divisible by the number (10) 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 1485544320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3007368000).

1485544320 is an abundant number, since it is smaller than the sum of its proper divisors (4529191680).

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

1485544320 is a wasteful number, since it uses less digits than its factorization.

1485544320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 1485544320 is about 38542.7596313497. The cubic root of 1485544320 is about 1141.0251166941.

The spelling of 1485544320 in words is "one billion, four hundred eighty-five million, five hundred forty-four thousand, three hundred twenty".