1490564320 has 144 divisors (see below), whose sum is σ = 4229221248. Its totient is φ = 494484480.

The previous prime is 1490564311. The next prime is 1490564353. The reversal of 1490564320 is 234650941.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 239974 + ... + 246106.

It is an arithmetic number, because the mean of its divisors is an integer number (29369592).

Almost surely, 2^1490564320 is an apocalyptic number.

1490564320 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 1490564320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2114610624).

1490564320 is an abundant number, since it is smaller than the sum of its proper divisors (2738656928).

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

1490564320 is a wasteful number, since it uses less digits than its factorization.

1490564320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193 (or 6178 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1490564320 is about 38607.8271856887. The cubic root of 1490564320 is about 1142.3089348146.

The spelling of 1490564320 in words is "one billion, four hundred ninety million, five hundred sixty-four thousand, three hundred twenty".