487450440 has 64 divisors (see below), whose sum is σ = 1624838400. Its totient is φ = 129986496.

The previous prime is 487450433. The next prime is 487450463. The reversal of 487450440 is 44054784.

487450440 is a `hidden beast` number, since 48 + 74 + 504 + 40 = 666.

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 = 487450395 and 487450404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224592 + ... + 226751.

It is an arithmetic number, because the mean of its divisors is an integer number (25388100).

Almost surely, 2^487450440 is an apocalyptic number.

487450440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487450440 is an abundant number, since it is smaller than the sum of its proper divisors (1137387960).

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

487450440 is a wasteful number, since it uses less digits than its factorization.

487450440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451363 (or 451353 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 487450440 is about 22078.2798242979. The cubic root of 487450440 is about 787.0037871695.

The spelling of 487450440 in words is "four hundred eighty-seven million, four hundred fifty thousand, four hundred forty".