489515040 has 144 divisors (see below), whose sum is σ = 1909147968. Its totient is φ = 111886848.

The previous prime is 489515021. The next prime is 489515071. The reversal of 489515040 is 40515984.

It is a tau number, because it is divible by the number of its divisors (144).

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 = 489514986 and 489515004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14202 + ... + 34361.

It is an arithmetic number, because the mean of its divisors is an integer number (13257972).

Almost surely, 2^489515040 is an apocalyptic number.

489515040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489515040 is an abundant number, since it is smaller than the sum of its proper divisors (1419632928).

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

489515040 is a wasteful number, since it uses less digits than its factorization.

489515040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48591 (or 48580 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 489515040 is about 22124.9867796571. The cubic root of 489515040 is about 788.1133422818.

The spelling of 489515040 in words is "four hundred eighty-nine million, five hundred fifteen thousand, forty".