487669940 has 24 divisors (see below), whose sum is σ = 1028401920. Its totient is φ = 194249888.

The previous prime is 487669859. The next prime is 487669951. The reversal of 487669940 is 49966784.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46232 + ... + 55791.

It is an arithmetic number, because the mean of its divisors is an integer number (42850080).

Almost surely, 2^487669940 is an apocalyptic number.

It is an amenable number.

487669940 is an abundant number, since it is smaller than the sum of its proper divisors (540731980).

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

487669940 is a wasteful number, since it uses less digits than its factorization.

487669940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102271 (or 102269 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 487669940 is about 22083.2502136801. The cubic root of 487669940 is about 787.1218992852.

The spelling of 487669940 in words is "four hundred eighty-seven million, six hundred sixty-nine thousand, nine hundred forty".