1489177872 has 560 divisors, whose sum is σ = 5646805248. Its totient is φ = 369515520.

The previous prime is 1489177867. The next prime is 1489177891. The reversal of 1489177872 is 2787719841.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 24412722 + ... + 24412782.

Almost surely, 2^1489177872 is an apocalyptic number.

1489177872 is a gapful number since it is divisible by the number (12) 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 1489177872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2823402624).

1489177872 is an abundant number, since it is smaller than the sum of its proper divisors (4157627376).

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

1489177872 is a wasteful number, since it uses less digits than its factorization.

1489177872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 109 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 54.

The square root of 1489177872 is about 38589.8674783939. The cubic root of 1489177872 is about 1141.9546521641.

The spelling of 1489177872 in words is "one billion, four hundred eighty-nine million, one hundred seventy-seven thousand, eight hundred seventy-two".