1487485920 has 96 divisors (see below), whose sum is σ = 4703795712. Its totient is φ = 395121152.

The previous prime is 1487485919. The next prime is 1487485921. The reversal of 1487485920 is 295847841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1487485919) and next prime (1487485921).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1487485920² = 4425228724396492800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1487485920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487485921) 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, 120349 + ... + 132131.

It is an arithmetic number, because the mean of its divisors is an integer number (48997872).

Almost surely, 2^1487485920 is an apocalyptic number.

1487485920 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 1487485920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351897856).

1487485920 is an abundant number, since it is smaller than the sum of its proper divisors (3216309792).

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

1487485920 is a wasteful number, since it uses less digits than its factorization.

1487485920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12064 (or 12056 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 1487485920 is about 38567.9390167533. The cubic root of 1487485920 is about 1141.5220052438.

The spelling of 1487485920 in words is "one billion, four hundred eighty-seven million, four hundred eighty-five thousand, nine hundred twenty".