1491003360 has 864 divisors, whose sum is σ = 6897133152. Its totient is φ = 289013760.

The previous prime is 1491003347. The next prime is 1491003401. The reversal of 1491003360 is 633001941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13194664 + ... + 13194776.

It is an arithmetic number, because the mean of its divisors is an integer number (7982793).

Almost surely, 2^1491003360 is an apocalyptic number.

1491003360 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 1491003360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3448566576).

1491003360 is an abundant number, since it is smaller than the sum of its proper divisors (5406129792).

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

1491003360 is a wasteful number, since it uses less digits than its factorization.

1491003360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1491003360 is about 38613.5126607254. The cubic root of 1491003360 is about 1142.4210780425.

The spelling of 1491003360 in words is "one billion, four hundred ninety-one million, three thousand, three hundred sixty".