1494188146752 has 448 divisors, whose sum is σ = 4944782592000. Its totient is φ = 396793313280.

The previous prime is 1494188146727. The next prime is 1494188146757. The reversal of 1494188146752 is 2576418814941.

It is a tau number, because it is divible by the number of its divisors (448).

It is not an unprimeable number, because it can be changed into a prime (1494188146757) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 66305727 + ... + 66328257.

Almost surely, 2^{1494188146752} is an apocalyptic number.

1494188146752 is a gapful number since it is divisible by the number (12) 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 1494188146752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2472391296000).

1494188146752 is an abundant number, since it is smaller than the sum of its proper divisors (3450594445248).

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

1494188146752 is a wasteful number, since it uses less digits than its factorization.

1494188146752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22639 (or 22615 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 60.

The spelling of 1494188146752 in words is "one trillion, four hundred ninety-four billion, one hundred eighty-eight million, one hundred forty-six thousand, seven hundred fifty-two".