487440744 has 128 divisors (see below), whose sum is σ = 1485312000. Its totient is φ = 130201344.

The previous prime is 487440731. The next prime is 487440757. The reversal of 487440744 is 447044784.

It is an interprime number because it is at equal distance from previous prime (487440731) and next prime (487440757).

It is a super-2 number, since 2×487440744² = 475196957822547072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 487440696 and 487440705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251202 + ... + 253134.

It is an arithmetic number, because the mean of its divisors is an integer number (11604000).

Almost surely, 2^487440744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487440744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742656000).

487440744 is an abundant number, since it is smaller than the sum of its proper divisors (997871256).

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

487440744 is a wasteful number, since it uses less digits than its factorization.

487440744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 42.

The square root of 487440744 is about 22078.0602408817. The cubic root of 487440744 is about 786.9985689711.

The spelling of 487440744 in words is "four hundred eighty-seven million, four hundred forty thousand, seven hundred forty-four".