1489026240 has 392 divisors, whose sum is σ = 5736781008. Its totient is φ = 365783040.

The previous prime is 1489026229. The next prime is 1489026263. The reversal of 1489026240 is 426209841.

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 = 1489026195 and 1489026204.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3032395 + ... + 3032885.

Almost surely, 2^1489026240 is an apocalyptic number.

1489026240 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 1489026240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2868390504).

1489026240 is an abundant number, since it is smaller than the sum of its proper divisors (4247754768).

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

1489026240 is an equidigital number, since it uses as much as digits as its factorization.

1489026240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 514 counting only the distinct ones).

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

The square root of 1489026240 is about 38587.9027675773. The cubic root of 1489026240 is about 1141.9158919084.

The spelling of 1489026240 in words is "one billion, four hundred eighty-nine million, twenty-six thousand, two hundred forty".