487757395440 has 1680 divisors, whose sum is σ = 2125885559616. Its totient is φ = 103464345600.

The previous prime is 487757395393. The next prime is 487757395537. The reversal of 487757395440 is 44593757784.

487757395440 is a `hidden beast` number, since 4 + 8 + 7 + 7 + 57 + 39 + 544 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 2694792150 + ... + 2694792330.

Almost surely, 2^487757395440 is an apocalyptic number.

487757395440 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 487757395440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062942779808).

487757395440 is an abundant number, since it is smaller than the sum of its proper divisors (1638128164176).

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

487757395440 is a wasteful number, since it uses less digits than its factorization.

487757395440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 63.

The spelling of 487757395440 in words is "four hundred eighty-seven billion, seven hundred fifty-seven million, three hundred ninety-five thousand, four hundred forty".