487252740 has 48 divisors (see below), whose sum is σ = 1469256768. Its totient is φ = 119938944.

The previous prime is 487252729. The next prime is 487252747. The reversal of 487252740 is 47252784.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (487252747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311562 + ... + 313121.

It is an arithmetic number, because the mean of its divisors is an integer number (30609516).

Almost surely, 2^487252740 is an apocalyptic number.

It is an amenable number.

487252740 is an abundant number, since it is smaller than the sum of its proper divisors (982004028).

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

487252740 is a wasteful number, since it uses less digits than its factorization.

487252740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624708 (or 624706 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 487252740 is about 22073.8021192544. The cubic root of 487252740 is about 786.8973751971.

The spelling of 487252740 in words is "four hundred eighty-seven million, two hundred fifty-two thousand, seven hundred forty".