1488889000 has 64 divisors (see below), whose sum is σ = 3604208400. Its totient is φ = 575008000.

The previous prime is 1488888997. The next prime is 1488889007. The reversal of 1488889000 is 9888841.

It can be written as a sum of positive squares in 8 ways, for example, as 186978276 + 1301910724 = 13674^2 + 36082^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1488889007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3330 + ... + 54670.

Almost surely, 2^1488889000 is an apocalyptic number.

1488889000 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 1488889000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1802104200).

1488889000 is an abundant number, since it is smaller than the sum of its proper divisors (2115319400).

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

1488889000 is a wasteful number, since it uses less digits than its factorization.

1488889000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51391 (or 51377 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 46.

The square root of 1488889000 is about 38586.1244490814. The cubic root of 1488889000 is about 1141.8808082750.

The spelling of 1488889000 in words is "one billion, four hundred eighty-eight million, eight hundred eighty-nine thousand".