1487841520 has 160 divisors (see below), whose sum is σ = 3938051520. Its totient is φ = 517816320.

The previous prime is 1487841517. The next prime is 1487841557. The reversal of 1487841520 is 251487841.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4414792 + ... + 4415128.

It is an arithmetic number, because the mean of its divisors is an integer number (24612822).

Almost surely, 2^1487841520 is an apocalyptic number.

1487841520 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 1487841520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969025760).

1487841520 is an abundant number, since it is smaller than the sum of its proper divisors (2450210000).

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

1487841520 is a wasteful number, since it uses less digits than its factorization.

1487841520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 1487841520 is about 38572.5487879658. The cubic root of 1487841520 is about 1141.6129624929.

The spelling of 1487841520 in words is "one billion, four hundred eighty-seven million, eight hundred forty-one thousand, five hundred twenty".