487391040 has 224 divisors, whose sum is σ = 1810512000. Its totient is φ = 123088896.

The previous prime is 487391033. The next prime is 487391077. The reversal of 487391040 is 40193784.

It is a happy number.

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 = 487390986 and 487391004.

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, 162676 + ... + 165644.

Almost surely, 2^487391040 is an apocalyptic number.

487391040 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 487391040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905256000).

487391040 is an abundant number, since it is smaller than the sum of its proper divisors (1323120960).

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

487391040 is a wasteful number, since it uses less digits than its factorization.

487391040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014 (or 2998 counting only the distinct ones).

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

The square root of 487391040 is about 22076.9345698174. The cubic root of 487391040 is about 786.9718181595.

The spelling of 487391040 in words is "four hundred eighty-seven million, three hundred ninety-one thousand, forty".