487931040 has 120 divisors (see below), whose sum is σ = 1722035700. Its totient is φ = 130111488.

The previous prime is 487931033. The next prime is 487931063. The reversal of 487931040 is 40139784.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 465006096 + 22924944 = 21564^2 + 4788^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 487930986 and 487931004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5865 + ... + 31784.

Almost surely, 2^487931040 is an apocalyptic number.

487931040 is a gapful number since it is divisible by the number (40) 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 487931040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861017850).

487931040 is an abundant number, since it is smaller than the sum of its proper divisors (1234104660).

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

487931040 is a wasteful number, since it uses less digits than its factorization.

487931040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37676 (or 37659 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 487931040 is about 22089.1611429678. The cubic root of 487931040 is about 787.2623500585.

The spelling of 487931040 in words is "four hundred eighty-seven million, nine hundred thirty-one thousand, forty".