1485731869440 has 864 divisors, whose sum is σ = 6294200230080. Its totient is φ = 295025246208.

The previous prime is 1485731869421. The next prime is 1485731869451. The reversal of 1485731869440 is 449681375841.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 95 ways as a sum of consecutive naturals, for example, 41565496 + ... + 41601224.

It is an arithmetic number, because the mean of its divisors is an integer number (7284953970).

Almost surely, 2^{1485731869440} is an apocalyptic number.

1485731869440 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 1485731869440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3147100115040).

1485731869440 is an abundant number, since it is smaller than the sum of its proper divisors (4808468360640).

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

1485731869440 is a wasteful number, since it uses less digits than its factorization.

1485731869440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35797 (or 35776 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 1485731869440 in words is "one trillion, four hundred eighty-five billion, seven hundred thirty-one million, eight hundred sixty-nine thousand, four hundred forty".