1487441280 has 256 divisors, whose sum is σ = 5329981440. Its totient is φ = 350085120.

The previous prime is 1487441279. The next prime is 1487441281. The reversal of 1487441280 is 821447841.

It is an interprime number because it is at equal distance from previous prime (1487441279) and next prime (1487441281).

It is a super-2 number, since 2×1487441280² = 4424963122896076800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487441281) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 572785 + ... + 575375.

It is an arithmetic number, because the mean of its divisors is an integer number (20820240).

Almost surely, 2^1487441280 is an apocalyptic number.

1487441280 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 1487441280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2664990720).

1487441280 is an abundant number, since it is smaller than the sum of its proper divisors (3842540160).

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

1487441280 is a wasteful number, since it uses less digits than its factorization.

1487441280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 1487441280 is about 38567.3602933880. The cubic root of 1487441280 is about 1141.5105859643.

The spelling of 1487441280 in words is "one billion, four hundred eighty-seven million, four hundred forty-one thousand, two hundred eighty".