487785642240 has 1152 divisors, whose sum is σ = 1815747010560. Its totient is φ = 110725300224.

The previous prime is 487785642233. The next prime is 487785642299. The reversal of 487785642240 is 42246587784.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4558744267 + ... + 4558744373.

It is an arithmetic number, because the mean of its divisors is an integer number (1576169280).

Almost surely, 2^487785642240 is an apocalyptic number.

487785642240 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 487785642240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907873505280).

487785642240 is an abundant number, since it is smaller than the sum of its proper divisors (1327961368320).

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

487785642240 is a wasteful number, since it uses less digits than its factorization.

487785642240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 57.

The spelling of 487785642240 in words is "four hundred eighty-seven billion, seven hundred eighty-five million, six hundred forty-two thousand, two hundred forty".