1489213440 has 576 divisors, whose sum is σ = 6117340320. Its totient is φ = 330301440.

The previous prime is 1489213393. The next prime is 1489213441. The reversal of 1489213440 is 443129841.

It is a happy number.

1489213440 is a `hidden beast` number, since 1 + 489 + 2 + 134 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1489213395 and 1489213404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489213441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13178824 + ... + 13178936.

Almost surely, 2^1489213440 is an apocalyptic number.

1489213440 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 1489213440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3058670160).

1489213440 is an abundant number, since it is smaller than the sum of its proper divisors (4628126880).

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

1489213440 is a wasteful number, since it uses less digits than its factorization.

1489213440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1489213440 is about 38590.3283220032. The cubic root of 1489213440 is about 1141.9637436949.

The spelling of 1489213440 in words is "one billion, four hundred eighty-nine million, two hundred thirteen thousand, four hundred forty".