488666440 has 16 divisors (see below), whose sum is σ = 1099499580. Its totient is φ = 195466560.

The previous prime is 488666419. The next prime is 488666447. The reversal of 488666440 is 44666884.

It can be written as a sum of positive squares in 2 ways, for example, as 406183716 + 82482724 = 20154^2 + 9082^2 .

It is not an unprimeable number, because it can be changed into a prime (488666447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6108291 + ... + 6108370.

Almost surely, 2^488666440 is an apocalyptic number.

488666440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

488666440 is an abundant number, since it is smaller than the sum of its proper divisors (610833140).

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

488666440 is a wasteful number, since it uses less digits than its factorization.

488666440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216672 (or 12216668 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The square root of 488666440 is about 22105.8010485936. The cubic root of 488666440 is about 787.6576669278.

The spelling of 488666440 in words is "four hundred eighty-eight million, six hundred sixty-six thousand, four hundred forty".