1489740318 has 48 divisors (see below), whose sum is σ = 3570832512. Its totient is φ = 445074000.

The previous prime is 1489740257. The next prime is 1489740319. The reversal of 1489740318 is 8130479841.

It is a happy number.

1489740318 is a `hidden beast` number, since 148 + 97 + 403 + 18 = 666.

It is a super-2 number, since 2×1489740318² = 4438652430149482248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489740319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38928 + ... + 67043.

It is an arithmetic number, because the mean of its divisors is an integer number (74392344).

Almost surely, 2^1489740318 is an apocalyptic number.

1489740318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1489740318 is an abundant number, since it is smaller than the sum of its proper divisors (2081092194).

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

1489740318 is a wasteful number, since it uses less digits than its factorization.

1489740318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106061 (or 106058 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1489740318 is about 38597.1542733399. The cubic root of 1489740318 is about 1142.0984019457.

The spelling of 1489740318 in words is "one billion, four hundred eighty-nine million, seven hundred forty thousand, three hundred eighteen".