1492449280 has 192 divisors, whose sum is σ = 4189086720. Its totient is φ = 499679232.

The previous prime is 1492449271. The next prime is 1492449281. The reversal of 1492449280 is 829442941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492449281) by changing a digit.

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, 3368739 + ... + 3369181.

It is an arithmetic number, because the mean of its divisors is an integer number (21818160).

Almost surely, 2^1492449280 is an apocalyptic number.

1492449280 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 1492449280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094543360).

1492449280 is an abundant number, since it is smaller than the sum of its proper divisors (2696637440).

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

1492449280 is an equidigital number, since it uses as much as digits as its factorization.

1492449280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1492449280 is about 38632.2311030569. The cubic root of 1492449280 is about 1142.7902513230.

The spelling of 1492449280 in words is "one billion, four hundred ninety-two million, four hundred forty-nine thousand, two hundred eighty".