487446440 has 128 divisors (see below), whose sum is σ = 1270805760. Its totient is φ = 166662144.

The previous prime is 487446439. The next prime is 487446461. The reversal of 487446440 is 44644784.

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, 591869 + ... + 592691.

It is an arithmetic number, because the mean of its divisors is an integer number (9928170).

Almost surely, 2^487446440 is an apocalyptic number.

487446440 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 487446440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635402880).

487446440 is an abundant number, since it is smaller than the sum of its proper divisors (783359320).

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

487446440 is a wasteful number, since it uses less digits than its factorization.

487446440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 41.

The square root of 487446440 is about 22078.1892373446. The cubic root of 487446440 is about 787.0016344558.

The spelling of 487446440 in words is "four hundred eighty-seven million, four hundred forty-six thousand, four hundred forty".