1493825280 has 144 divisors (see below), whose sum is σ = 4837166880. Its totient is φ = 392896512.

The previous prime is 1493825273. The next prime is 1493825297. The reversal of 1493825280 is 825283941.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 1460 × 876 × 1168.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20463324 + ... + 20463396.

Almost surely, 2^1493825280 is an apocalyptic number.

1493825280 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 1493825280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2418583440).

1493825280 is an abundant number, since it is smaller than the sum of its proper divisors (3343341600).

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

1493825280 is an frugal number, since it uses more digits than its factorization.

1493825280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1493825280 is about 38650.0359637608. The cubic root of 1493825280 is about 1143.1413512213.

The spelling of 1493825280 in words is "one billion, four hundred ninety-three million, eight hundred twenty-five thousand, two hundred eighty".