1490502728000 has 896 divisors, whose sum is σ = 4665107865600. Its totient is φ = 463574016000.

The previous prime is 1490502727957. The next prime is 1490502728089. The reversal of 1490502728000 is 8272050941.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 127 ways as a sum of consecutive naturals, for example, 1021591271 + ... + 1021592729.

It is an arithmetic number, because the mean of its divisors is an integer number (5206593600).

Almost surely, 2^{1490502728000} is an apocalyptic number.

1490502728000 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 1490502728000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2332553932800).

1490502728000 is an abundant number, since it is smaller than the sum of its proper divisors (3174605137600).

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

1490502728000 is a wasteful number, since it uses less digits than its factorization.

1490502728000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 1490502728000 its reverse (8272050941), we get a palindrome (1498774778941).

The spelling of 1490502728000 in words is "one trillion, four hundred ninety billion, five hundred two million, seven hundred twenty-eight thousand".