487592640 has 336 divisors, whose sum is σ = 1857256128. Its totient is φ = 116785152.

The previous prime is 487592639. The next prime is 487592653. The reversal of 487592640 is 46295784.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1125864 + ... + 1126296.

It is an arithmetic number, because the mean of its divisors is an integer number (5527548).

Almost surely, 2^487592640 is an apocalyptic number.

487592640 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 487592640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928628064).

487592640 is an abundant number, since it is smaller than the sum of its proper divisors (1369663488).

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

487592640 is a wasteful number, since it uses less digits than its factorization.

487592640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 487592640 is about 22081.4999490524. The cubic root of 487592640 is about 787.0803084926.

The spelling of 487592640 in words is "four hundred eighty-seven million, five hundred ninety-two thousand, six hundred forty".