1491353200 has 60 divisors (see below), whose sum is σ = 3587758960. Its totient is φ = 595745280.

The previous prime is 1491353197. The next prime is 1491353233. The reversal of 1491353200 is 23531941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365572 + ... + 369628.

Almost surely, 2^1491353200 is an apocalyptic number.

1491353200 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 1491353200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793879480).

1491353200 is an abundant number, since it is smaller than the sum of its proper divisors (2096405760).

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

1491353200 is a wasteful number, since it uses less digits than its factorization.

1491353200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994 (or 4983 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1491353200 is about 38618.0424154306. The cubic root of 1491353200 is about 1142.5104213099.

The spelling of 1491353200 in words is "one billion, four hundred ninety-one million, three hundred fifty-three thousand, two hundred".